19864116

素因数分解:

$2^2\times 3^4\times {\mathrm{37}}^1\times {\mathrm{1657}}^1$

素因数の和:1710

約数の個数: 60

約数和(自身を含む): 53364388

約数和(自身を除く): 33500272

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 27, 36, 37, 54, 74, 81, 108, 111, 148, 162, 222, 324, 333, 444, 666, 999, 1332, 1657, 1998, 2997, 3314, 3996, 4971, 5994, 6628, 9942, 11988, 14913, 19884, 29826, 44739, 59652, 61309, 89478, 122618, 134217, 178956, 183927, 245236, 268434, 367854, 536868, 551781, 735708, 1103562, 1655343, 2207124, 3310686, 4966029, 6621372, 9932058, 19864116]

約数ペア:

[(1, 19864116), (2, 9932058), (3, 6621372), (4, 4966029), (6, 3310686), (9, 2207124), (12, 1655343), (18, 1103562), (27, 735708), (36, 551781), (37, 536868), (54, 367854), (74, 268434), (81, 245236), (108, 183927), (111, 178956), (148, 134217), (162, 122618), (222, 89478), (324, 61309), (333, 59652), (444, 44739), (666, 29826), (999, 19884), (1332, 14913), (1657, 11988), (1998, 9942), (2997, 6628), (3314, 5994), (3996, 4971)]