19480890

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{239}}^1$

素因数の和:292

約数の個数: 128

約数和(自身を含む): 58060800

約数和(自身を除く): 38579910

約数列:

[1, 2, 3, 5, 6, 10, 11, 13, 15, 19, 22, 26, 30, 33, 38, 39, 55, 57, 65, 66, 78, 95, 110, 114, 130, 143, 165, 190, 195, 209, 239, 247, 285, 286, 330, 390, 418, 429, 478, 494, 570, 627, 715, 717, 741, 858, 1045, 1195, 1235, 1254, 1430, 1434, 1482, 2090, 2145, 2390, 2470, 2629, 2717, 3107, 3135, 3585, 3705, 4290, 4541, 5258, 5434, 6214, 6270, 7170, 7410, 7887, 8151, 9082, 9321, 13145, 13585, 13623, 15535, 15774, 16302, 18642, 22705, 26290, 27170, 27246, 31070, 34177, 39435, 40755, 45410, 46605, 49951, 59033, 68115, 68354, 78870, 81510, 93210, 99902, 102531, 118066, 136230, 149853, 170885, 177099, 205062, 249755, 295165, 299706, 341770, 354198, 499510, 512655, 590330, 649363, 749265, 885495, 1025310, 1298726, 1498530, 1770990, 1948089, 3246815, 3896178, 6493630, 9740445, 19480890]

約数ペア:

[(1, 19480890), (2, 9740445), (3, 6493630), (5, 3896178), (6, 3246815), (10, 1948089), (11, 1770990), (13, 1498530), (15, 1298726), (19, 1025310), (22, 885495), (26, 749265), (30, 649363), (33, 590330), (38, 512655), (39, 499510), (55, 354198), (57, 341770), (65, 299706), (66, 295165), (78, 249755), (95, 205062), (110, 177099), (114, 170885), (130, 149853), (143, 136230), (165, 118066), (190, 102531), (195, 99902), (209, 93210), (239, 81510), (247, 78870), (285, 68354), (286, 68115), (330, 59033), (390, 49951), (418, 46605), (429, 45410), (478, 40755), (494, 39435), (570, 34177), (627, 31070), (715, 27246), (717, 27170), (741, 26290), (858, 22705), (1045, 18642), (1195, 16302), (1235, 15774), (1254, 15535), (1430, 13623), (1434, 13585), (1482, 13145), (2090, 9321), (2145, 9082), (2390, 8151), (2470, 7887), (2629, 7410), (2717, 7170), (3107, 6270), (3135, 6214), (3585, 5434), (3705, 5258), (4290, 4541)]