19283420

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{74167}}^1$

素因数の和:74189

約数の個数: 24

約数和(自身を含む): 43610784

約数和(自身を除く): 24327364

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 74167, 148334, 296668, 370835, 741670, 964171, 1483340, 1928342, 3856684, 4820855, 9641710, 19283420]

約数ペア:

[(1, 19283420), (2, 9641710), (4, 4820855), (5, 3856684), (10, 1928342), (13, 1483340), (20, 964171), (26, 741670), (52, 370835), (65, 296668), (130, 148334), (260, 74167)]