18999840

素因数分解:

$2^5\times 3^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{1721}}^1$

素因数の和:1762

約数の個数: 96

約数和(自身を含む): 62487936

約数和(自身を除く): 43488096

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 23, 24, 30, 32, 40, 46, 48, 60, 69, 80, 92, 96, 115, 120, 138, 160, 184, 230, 240, 276, 345, 368, 460, 480, 552, 690, 736, 920, 1104, 1380, 1721, 1840, 2208, 2760, 3442, 3680, 5163, 5520, 6884, 8605, 10326, 11040, 13768, 17210, 20652, 25815, 27536, 34420, 39583, 41304, 51630, 55072, 68840, 79166, 82608, 103260, 118749, 137680, 158332, 165216, 197915, 206520, 237498, 275360, 316664, 395830, 413040, 474996, 593745, 633328, 791660, 826080, 949992, 1187490, 1266656, 1583320, 1899984, 2374980, 3166640, 3799968, 4749960, 6333280, 9499920, 18999840]

約数ペア:

[(1, 18999840), (2, 9499920), (3, 6333280), (4, 4749960), (5, 3799968), (6, 3166640), (8, 2374980), (10, 1899984), (12, 1583320), (15, 1266656), (16, 1187490), (20, 949992), (23, 826080), (24, 791660), (30, 633328), (32, 593745), (40, 474996), (46, 413040), (48, 395830), (60, 316664), (69, 275360), (80, 237498), (92, 206520), (96, 197915), (115, 165216), (120, 158332), (138, 137680), (160, 118749), (184, 103260), (230, 82608), (240, 79166), (276, 68840), (345, 55072), (368, 51630), (460, 41304), (480, 39583), (552, 34420), (690, 27536), (736, 25815), (920, 20652), (1104, 17210), (1380, 13768), (1721, 11040), (1840, 10326), (2208, 8605), (2760, 6884), (3442, 5520), (3680, 5163)]