18103960

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{41}}^1\times {\mathrm{83}}^1$

素因数の和:161

約数の個数: 128

約数和(自身を含む): 50803200

約数和(自身を除く): 32699240

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 19, 20, 28, 35, 38, 40, 41, 56, 70, 76, 82, 83, 95, 133, 140, 152, 164, 166, 190, 205, 266, 280, 287, 328, 332, 380, 410, 415, 532, 574, 581, 664, 665, 760, 779, 820, 830, 1064, 1148, 1162, 1330, 1435, 1558, 1577, 1640, 1660, 2296, 2324, 2660, 2870, 2905, 3116, 3154, 3320, 3403, 3895, 4648, 5320, 5453, 5740, 5810, 6232, 6308, 6806, 7790, 7885, 10906, 11039, 11480, 11620, 12616, 13612, 15580, 15770, 17015, 21812, 22078, 23240, 23821, 27224, 27265, 31160, 31540, 34030, 43624, 44156, 47642, 54530, 55195, 63080, 64657, 68060, 88312, 95284, 109060, 110390, 119105, 129314, 136120, 190568, 218120, 220780, 238210, 258628, 323285, 441560, 452599, 476420, 517256, 646570, 905198, 952840, 1293140, 1810396, 2262995, 2586280, 3620792, 4525990, 9051980, 18103960]

約数ペア:

[(1, 18103960), (2, 9051980), (4, 4525990), (5, 3620792), (7, 2586280), (8, 2262995), (10, 1810396), (14, 1293140), (19, 952840), (20, 905198), (28, 646570), (35, 517256), (38, 476420), (40, 452599), (41, 441560), (56, 323285), (70, 258628), (76, 238210), (82, 220780), (83, 218120), (95, 190568), (133, 136120), (140, 129314), (152, 119105), (164, 110390), (166, 109060), (190, 95284), (205, 88312), (266, 68060), (280, 64657), (287, 63080), (328, 55195), (332, 54530), (380, 47642), (410, 44156), (415, 43624), (532, 34030), (574, 31540), (581, 31160), (664, 27265), (665, 27224), (760, 23821), (779, 23240), (820, 22078), (830, 21812), (1064, 17015), (1148, 15770), (1162, 15580), (1330, 13612), (1435, 12616), (1558, 11620), (1577, 11480), (1640, 11039), (1660, 10906), (2296, 7885), (2324, 7790), (2660, 6806), (2870, 6308), (2905, 6232), (3116, 5810), (3154, 5740), (3320, 5453), (3403, 5320), (3895, 4648)]