18960129

素因数分解:

$3^3\times {\mathrm{47}}^1\times {\mathrm{67}}^1\times {\mathrm{223}}^1$

素因数の和:346

約数の個数: 32

約数和(自身を含む): 29245440

約数和(自身を除く): 10285311

約数列:

[1, 3, 9, 27, 47, 67, 141, 201, 223, 423, 603, 669, 1269, 1809, 2007, 3149, 6021, 9447, 10481, 14941, 28341, 31443, 44823, 85023, 94329, 134469, 282987, 403407, 702227, 2106681, 6320043, 18960129]

約数ペア:

[(1, 18960129), (3, 6320043), (9, 2106681), (27, 702227), (47, 403407), (67, 282987), (141, 134469), (201, 94329), (223, 85023), (423, 44823), (603, 31443), (669, 28341), (1269, 14941), (1809, 10481), (2007, 9447), (3149, 6021)]