19138860

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{8179}}^1$

素因数の和:8207

約数の個数: 72

約数和(自身を含む): 62527920

約数和(自身を除く): 43389060

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 13, 15, 18, 20, 26, 30, 36, 39, 45, 52, 60, 65, 78, 90, 117, 130, 156, 180, 195, 234, 260, 390, 468, 585, 780, 1170, 2340, 8179, 16358, 24537, 32716, 40895, 49074, 73611, 81790, 98148, 106327, 122685, 147222, 163580, 212654, 245370, 294444, 318981, 368055, 425308, 490740, 531635, 637962, 736110, 956943, 1063270, 1275924, 1472220, 1594905, 1913886, 2126540, 3189810, 3827772, 4784715, 6379620, 9569430, 19138860]

約数ペア:

[(1, 19138860), (2, 9569430), (3, 6379620), (4, 4784715), (5, 3827772), (6, 3189810), (9, 2126540), (10, 1913886), (12, 1594905), (13, 1472220), (15, 1275924), (18, 1063270), (20, 956943), (26, 736110), (30, 637962), (36, 531635), (39, 490740), (45, 425308), (52, 368055), (60, 318981), (65, 294444), (78, 245370), (90, 212654), (117, 163580), (130, 147222), (156, 122685), (180, 106327), (195, 98148), (234, 81790), (260, 73611), (390, 49074), (468, 40895), (585, 32716), (780, 24537), (1170, 16358), (2340, 8179)]