19039360

素因数分解:

$2^7\times 5^1\times {\mathrm{71}}^1\times {\mathrm{419}}^1$

素因数の和:509

約数の個数: 64

約数和(自身を含む): 46267200

約数和(自身を除く): 27227840

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 71, 80, 128, 142, 160, 284, 320, 355, 419, 568, 640, 710, 838, 1136, 1420, 1676, 2095, 2272, 2840, 3352, 4190, 4544, 5680, 6704, 8380, 9088, 11360, 13408, 16760, 22720, 26816, 29749, 33520, 45440, 53632, 59498, 67040, 118996, 134080, 148745, 237992, 268160, 297490, 475984, 594980, 951968, 1189960, 1903936, 2379920, 3807872, 4759840, 9519680, 19039360]

約数ペア:

[(1, 19039360), (2, 9519680), (4, 4759840), (5, 3807872), (8, 2379920), (10, 1903936), (16, 1189960), (20, 951968), (32, 594980), (40, 475984), (64, 297490), (71, 268160), (80, 237992), (128, 148745), (142, 134080), (160, 118996), (284, 67040), (320, 59498), (355, 53632), (419, 45440), (568, 33520), (640, 29749), (710, 26816), (838, 22720), (1136, 16760), (1420, 13408), (1676, 11360), (2095, 9088), (2272, 8380), (2840, 6704), (3352, 5680), (4190, 4544)]