18999365

素因数分解:

$5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{61}}^1\times {\mathrm{809}}^1$

素因数の和:893

約数の個数: 32

約数和(自身を含む): 28926720

約数和(自身を除く): 9927355

約数列:

[1, 5, 7, 11, 35, 55, 61, 77, 305, 385, 427, 671, 809, 2135, 3355, 4045, 4697, 5663, 8899, 23485, 28315, 44495, 49349, 62293, 246745, 311465, 345443, 542839, 1727215, 2714195, 3799873, 18999365]

約数ペア:

[(1, 18999365), (5, 3799873), (7, 2714195), (11, 1727215), (35, 542839), (55, 345443), (61, 311465), (77, 246745), (305, 62293), (385, 49349), (427, 44495), (671, 28315), (809, 23485), (2135, 8899), (3355, 5663), (4045, 4697)]