18556240

素因数分解:

$2^4\times 5^1\times {\mathrm{37}}^1\times {\mathrm{6269}}^1$

素因数の和:6319

約数の個数: 40

約数和(自身を含む): 44316360

約数和(自身を除く): 25760120

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 37, 40, 74, 80, 148, 185, 296, 370, 592, 740, 1480, 2960, 6269, 12538, 25076, 31345, 50152, 62690, 100304, 125380, 231953, 250760, 463906, 501520, 927812, 1159765, 1855624, 2319530, 3711248, 4639060, 9278120, 18556240]

約数ペア:

[(1, 18556240), (2, 9278120), (4, 4639060), (5, 3711248), (8, 2319530), (10, 1855624), (16, 1159765), (20, 927812), (37, 501520), (40, 463906), (74, 250760), (80, 231953), (148, 125380), (185, 100304), (296, 62690), (370, 50152), (592, 31345), (740, 25076), (1480, 12538), (2960, 6269)]