19358240

素因数分解:

$2^5\times 5^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{647}}^1$

素因数の和:690

約数の個数: 96

約数和(自身を含む): 52907904

約数和(自身を除く): 33549664

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 17, 20, 22, 32, 34, 40, 44, 55, 68, 80, 85, 88, 110, 136, 160, 170, 176, 187, 220, 272, 340, 352, 374, 440, 544, 647, 680, 748, 880, 935, 1294, 1360, 1496, 1760, 1870, 2588, 2720, 2992, 3235, 3740, 5176, 5984, 6470, 7117, 7480, 10352, 10999, 12940, 14234, 14960, 20704, 21998, 25880, 28468, 29920, 35585, 43996, 51760, 54995, 56936, 71170, 87992, 103520, 109990, 113872, 120989, 142340, 175984, 219980, 227744, 241978, 284680, 351968, 439960, 483956, 569360, 604945, 879920, 967912, 1138720, 1209890, 1759840, 1935824, 2419780, 3871648, 4839560, 9679120, 19358240]

約数ペア:

[(1, 19358240), (2, 9679120), (4, 4839560), (5, 3871648), (8, 2419780), (10, 1935824), (11, 1759840), (16, 1209890), (17, 1138720), (20, 967912), (22, 879920), (32, 604945), (34, 569360), (40, 483956), (44, 439960), (55, 351968), (68, 284680), (80, 241978), (85, 227744), (88, 219980), (110, 175984), (136, 142340), (160, 120989), (170, 113872), (176, 109990), (187, 103520), (220, 87992), (272, 71170), (340, 56936), (352, 54995), (374, 51760), (440, 43996), (544, 35585), (647, 29920), (680, 28468), (748, 25880), (880, 21998), (935, 20704), (1294, 14960), (1360, 14234), (1496, 12940), (1760, 10999), (1870, 10352), (2588, 7480), (2720, 7117), (2992, 6470), (3235, 5984), (3740, 5176)]