18878970

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{3011}}^1$

素因数の和:3051

約数の個数: 64

約数和(自身を含む): 52047360

約数和(自身を除く): 33168390

約数列:

[1, 2, 3, 5, 6, 10, 11, 15, 19, 22, 30, 33, 38, 55, 57, 66, 95, 110, 114, 165, 190, 209, 285, 330, 418, 570, 627, 1045, 1254, 2090, 3011, 3135, 6022, 6270, 9033, 15055, 18066, 30110, 33121, 45165, 57209, 66242, 90330, 99363, 114418, 165605, 171627, 198726, 286045, 331210, 343254, 496815, 572090, 629299, 858135, 993630, 1258598, 1716270, 1887897, 3146495, 3775794, 6292990, 9439485, 18878970]

約数ペア:

[(1, 18878970), (2, 9439485), (3, 6292990), (5, 3775794), (6, 3146495), (10, 1887897), (11, 1716270), (15, 1258598), (19, 993630), (22, 858135), (30, 629299), (33, 572090), (38, 496815), (55, 343254), (57, 331210), (66, 286045), (95, 198726), (110, 171627), (114, 165605), (165, 114418), (190, 99363), (209, 90330), (285, 66242), (330, 57209), (418, 45165), (570, 33121), (627, 30110), (1045, 18066), (1254, 15055), (2090, 9033), (3011, 6270), (3135, 6022)]