18761933840

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^2\times {\mathrm{1387717}}^1$

素因数の和:1387756

約数の個数: 60

約数和(自身を含む): 47235145284

約数和(自身を除く): 28473211444

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 40, 52, 65, 80, 104, 130, 169, 208, 260, 338, 520, 676, 845, 1040, 1352, 1690, 2704, 3380, 6760, 13520, 1387717, 2775434, 5550868, 6938585, 11101736, 13877170, 18040321, 22203472, 27754340, 36080642, 55508680, 72161284, 90201605, 111017360, 144322568, 180403210, 234524173, 288645136, 360806420, 469048346, 721612840, 938096692, 1172620865, 1443225680, 1876193384, 2345241730, 3752386768, 4690483460, 9380966920, 18761933840]

約数ペア:

[(1, 18761933840), (2, 9380966920), (4, 4690483460), (5, 3752386768), (8, 2345241730), (10, 1876193384), (13, 1443225680), (16, 1172620865), (20, 938096692), (26, 721612840), (40, 469048346), (52, 360806420), (65, 288645136), (80, 234524173), (104, 180403210), (130, 144322568), (169, 111017360), (208, 90201605), (260, 72161284), (338, 55508680), (520, 36080642), (676, 27754340), (845, 22203472), (1040, 18040321), (1352, 13877170), (1690, 11101736), (2704, 6938585), (3380, 5550868), (6760, 2775434), (13520, 1387717)]