19281135

素因数分解:

$3^1\times 5^1\times {\mathrm{53}}^1\times {\mathrm{79}}^1\times {\mathrm{307}}^1$

素因数の和:447

約数の個数: 32

約数和(自身を含む): 31933440

約数和(自身を除く): 12652305

約数列:

[1, 3, 5, 15, 53, 79, 159, 237, 265, 307, 395, 795, 921, 1185, 1535, 4187, 4605, 12561, 16271, 20935, 24253, 48813, 62805, 72759, 81355, 121265, 244065, 363795, 1285409, 3856227, 6427045, 19281135]

約数ペア:

[(1, 19281135), (3, 6427045), (5, 3856227), (15, 1285409), (53, 363795), (79, 244065), (159, 121265), (237, 81355), (265, 72759), (307, 62805), (395, 48813), (795, 24253), (921, 20935), (1185, 16271), (1535, 12561), (4187, 4605)]