19848920

素因数分解:

$2^3\times 5^1\times 7^2\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{41}}^1$

素因数の和:98

約数の個数: 192

約数和(自身を含む): 60328800

約数和(自身を除く): 40479880

約数列:

[1, 2, 4, 5, 7, 8, 10, 13, 14, 19, 20, 26, 28, 35, 38, 40, 41, 49, 52, 56, 65, 70, 76, 82, 91, 95, 98, 104, 130, 133, 140, 152, 164, 182, 190, 196, 205, 245, 247, 260, 266, 280, 287, 328, 364, 380, 392, 410, 455, 490, 494, 520, 532, 533, 574, 637, 665, 728, 760, 779, 820, 910, 931, 980, 988, 1064, 1066, 1148, 1235, 1274, 1330, 1435, 1558, 1640, 1729, 1820, 1862, 1960, 1976, 2009, 2132, 2296, 2470, 2548, 2660, 2665, 2870, 3116, 3185, 3458, 3640, 3724, 3731, 3895, 4018, 4264, 4655, 4940, 5096, 5320, 5330, 5453, 5740, 6232, 6370, 6916, 7448, 7462, 7790, 8036, 8645, 9310, 9880, 10045, 10127, 10660, 10906, 11480, 12103, 12740, 13832, 14924, 15580, 16072, 17290, 18620, 18655, 20090, 20254, 21320, 21812, 24206, 25480, 26117, 27265, 29848, 31160, 34580, 37240, 37310, 38171, 40180, 40508, 43624, 48412, 50635, 52234, 54530, 60515, 69160, 70889, 74620, 76342, 80360, 81016, 96824, 101270, 104468, 109060, 121030, 130585, 141778, 149240, 152684, 190855, 202540, 208936, 218120, 242060, 261170, 283556, 305368, 354445, 381710, 405080, 484120, 496223, 522340, 567112, 708890, 763420, 992446, 1044680, 1417780, 1526840, 1984892, 2481115, 2835560, 3969784, 4962230, 9924460, 19848920]

約数ペア:

[(1, 19848920), (2, 9924460), (4, 4962230), (5, 3969784), (7, 2835560), (8, 2481115), (10, 1984892), (13, 1526840), (14, 1417780), (19, 1044680), (20, 992446), (26, 763420), (28, 708890), (35, 567112), (38, 522340), (40, 496223), (41, 484120), (49, 405080), (52, 381710), (56, 354445), (65, 305368), (70, 283556), (76, 261170), (82, 242060), (91, 218120), (95, 208936), (98, 202540), (104, 190855), (130, 152684), (133, 149240), (140, 141778), (152, 130585), (164, 121030), (182, 109060), (190, 104468), (196, 101270), (205, 96824), (245, 81016), (247, 80360), (260, 76342), (266, 74620), (280, 70889), (287, 69160), (328, 60515), (364, 54530), (380, 52234), (392, 50635), (410, 48412), (455, 43624), (490, 40508), (494, 40180), (520, 38171), (532, 37310), (533, 37240), (574, 34580), (637, 31160), (665, 29848), (728, 27265), (760, 26117), (779, 25480), (820, 24206), (910, 21812), (931, 21320), (980, 20254), (988, 20090), (1064, 18655), (1066, 18620), (1148, 17290), (1235, 16072), (1274, 15580), (1330, 14924), (1435, 13832), (1558, 12740), (1640, 12103), (1729, 11480), (1820, 10906), (1862, 10660), (1960, 10127), (1976, 10045), (2009, 9880), (2132, 9310), (2296, 8645), (2470, 8036), (2548, 7790), (2660, 7462), (2665, 7448), (2870, 6916), (3116, 6370), (3185, 6232), (3458, 5740), (3640, 5453), (3724, 5330), (3731, 5320), (3895, 5096), (4018, 4940), (4264, 4655)]