19997208

素因数分解:

$2^3\times 3^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{3607}}^1$

素因数の和:3637

約数の個数: 96

約数和(自身を含む): 67541760

約数和(自身を除く): 47544552

約数列:

[1, 2, 3, 4, 6, 7, 8, 9, 11, 12, 14, 18, 21, 22, 24, 28, 33, 36, 42, 44, 56, 63, 66, 72, 77, 84, 88, 99, 126, 132, 154, 168, 198, 231, 252, 264, 308, 396, 462, 504, 616, 693, 792, 924, 1386, 1848, 2772, 3607, 5544, 7214, 10821, 14428, 21642, 25249, 28856, 32463, 39677, 43284, 50498, 64926, 75747, 79354, 86568, 100996, 119031, 129852, 151494, 158708, 201992, 227241, 238062, 259704, 277739, 302988, 317416, 357093, 454482, 476124, 555478, 605976, 714186, 833217, 908964, 952248, 1110956, 1428372, 1666434, 1817928, 2221912, 2499651, 2856744, 3332868, 4999302, 6665736, 9998604, 19997208]

約数ペア:

[(1, 19997208), (2, 9998604), (3, 6665736), (4, 4999302), (6, 3332868), (7, 2856744), (8, 2499651), (9, 2221912), (11, 1817928), (12, 1666434), (14, 1428372), (18, 1110956), (21, 952248), (22, 908964), (24, 833217), (28, 714186), (33, 605976), (36, 555478), (42, 476124), (44, 454482), (56, 357093), (63, 317416), (66, 302988), (72, 277739), (77, 259704), (84, 238062), (88, 227241), (99, 201992), (126, 158708), (132, 151494), (154, 129852), (168, 119031), (198, 100996), (231, 86568), (252, 79354), (264, 75747), (308, 64926), (396, 50498), (462, 43284), (504, 39677), (616, 32463), (693, 28856), (792, 25249), (924, 21642), (1386, 14428), (1848, 10821), (2772, 7214), (3607, 5544)]