19769320

素因数分解:

$2^3\times 5^1\times {\mathrm{31}}^1\times {\mathrm{107}}^1\times {\mathrm{149}}^1$

素因数の和:298

約数の個数: 64

約数和(自身を含む): 46656000

約数和(自身を除く): 26886680

約数列:

[1, 2, 4, 5, 8, 10, 20, 31, 40, 62, 107, 124, 149, 155, 214, 248, 298, 310, 428, 535, 596, 620, 745, 856, 1070, 1192, 1240, 1490, 2140, 2980, 3317, 4280, 4619, 5960, 6634, 9238, 13268, 15943, 16585, 18476, 23095, 26536, 31886, 33170, 36952, 46190, 63772, 66340, 79715, 92380, 127544, 132680, 159430, 184760, 318860, 494233, 637720, 988466, 1976932, 2471165, 3953864, 4942330, 9884660, 19769320]

約数ペア:

[(1, 19769320), (2, 9884660), (4, 4942330), (5, 3953864), (8, 2471165), (10, 1976932), (20, 988466), (31, 637720), (40, 494233), (62, 318860), (107, 184760), (124, 159430), (149, 132680), (155, 127544), (214, 92380), (248, 79715), (298, 66340), (310, 63772), (428, 46190), (535, 36952), (596, 33170), (620, 31886), (745, 26536), (856, 23095), (1070, 18476), (1192, 16585), (1240, 15943), (1490, 13268), (2140, 9238), (2980, 6634), (3317, 5960), (4280, 4619)]