18440760

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{11821}}^1$

素因数の和:11848

約数の個数: 64

約数和(自身を含む): 59582880

約数和(自身を除く): 41142120

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 13, 15, 20, 24, 26, 30, 39, 40, 52, 60, 65, 78, 104, 120, 130, 156, 195, 260, 312, 390, 520, 780, 1560, 11821, 23642, 35463, 47284, 59105, 70926, 94568, 118210, 141852, 153673, 177315, 236420, 283704, 307346, 354630, 461019, 472840, 614692, 709260, 768365, 922038, 1229384, 1418520, 1536730, 1844076, 2305095, 3073460, 3688152, 4610190, 6146920, 9220380, 18440760]

約数ペア:

[(1, 18440760), (2, 9220380), (3, 6146920), (4, 4610190), (5, 3688152), (6, 3073460), (8, 2305095), (10, 1844076), (12, 1536730), (13, 1418520), (15, 1229384), (20, 922038), (24, 768365), (26, 709260), (30, 614692), (39, 472840), (40, 461019), (52, 354630), (60, 307346), (65, 283704), (78, 236420), (104, 177315), (120, 153673), (130, 141852), (156, 118210), (195, 94568), (260, 70926), (312, 59105), (390, 47284), (520, 35463), (780, 23642), (1560, 11821)]