18673460

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{71821}}^1$

素因数の和:71843

約数の個数: 24

約数和(自身を含む): 42231336

約数和(自身を除く): 23557876

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 71821, 143642, 287284, 359105, 718210, 933673, 1436420, 1867346, 3734692, 4668365, 9336730, 18673460]

約数ペア:

[(1, 18673460), (2, 9336730), (4, 4668365), (5, 3734692), (10, 1867346), (13, 1436420), (20, 933673), (26, 718210), (52, 359105), (65, 287284), (130, 143642), (260, 71821)]