2018021044

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{1987}}^1\times {\mathrm{19531}}^1$

素因数の和:21535

約数の個数: 24

約数和(自身を含む): 3805302368

約数和(自身を除く): 1787281324

約数列:

[1, 2, 4, 13, 26, 52, 1987, 3974, 7948, 19531, 25831, 39062, 51662, 78124, 103324, 253903, 507806, 1015612, 38808097, 77616194, 155232388, 504505261, 1009010522, 2018021044]

約数ペア:

[(1, 2018021044), (2, 1009010522), (4, 504505261), (13, 155232388), (26, 77616194), (52, 38808097), (1987, 1015612), (3974, 507806), (7948, 253903), (19531, 103324), (25831, 78124), (39062, 51662)]