18827985

素因数分解:

$3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{53}}^1\times {\mathrm{2153}}^1$

素因数の和:2225

約数の個数: 32

約数和(自身を含む): 33499008

約数和(自身を除く): 14671023

約数列:

[1, 3, 5, 11, 15, 33, 53, 55, 159, 165, 265, 583, 795, 1749, 2153, 2915, 6459, 8745, 10765, 23683, 32295, 71049, 114109, 118415, 342327, 355245, 570545, 1255199, 1711635, 3765597, 6275995, 18827985]

約数ペア:

[(1, 18827985), (3, 6275995), (5, 3765597), (11, 1711635), (15, 1255199), (33, 570545), (53, 355245), (55, 342327), (159, 118415), (165, 114109), (265, 71049), (583, 32295), (795, 23683), (1749, 10765), (2153, 8745), (2915, 6459)]