19833800

素因数分解:

$2^3\times 5^2\times 7^1\times {\mathrm{31}}^1\times {\mathrm{457}}^1$

素因数の和:511

約数の個数: 96

約数和(自身を含む): 54520320

約数和(自身を除く): 34686520

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 25, 28, 31, 35, 40, 50, 56, 62, 70, 100, 124, 140, 155, 175, 200, 217, 248, 280, 310, 350, 434, 457, 620, 700, 775, 868, 914, 1085, 1240, 1400, 1550, 1736, 1828, 2170, 2285, 3100, 3199, 3656, 4340, 4570, 5425, 6200, 6398, 8680, 9140, 10850, 11425, 12796, 14167, 15995, 18280, 21700, 22850, 25592, 28334, 31990, 43400, 45700, 56668, 63980, 70835, 79975, 91400, 99169, 113336, 127960, 141670, 159950, 198338, 283340, 319900, 354175, 396676, 495845, 566680, 639800, 708350, 793352, 991690, 1416700, 1983380, 2479225, 2833400, 3966760, 4958450, 9916900, 19833800]

約数ペア:

[(1, 19833800), (2, 9916900), (4, 4958450), (5, 3966760), (7, 2833400), (8, 2479225), (10, 1983380), (14, 1416700), (20, 991690), (25, 793352), (28, 708350), (31, 639800), (35, 566680), (40, 495845), (50, 396676), (56, 354175), (62, 319900), (70, 283340), (100, 198338), (124, 159950), (140, 141670), (155, 127960), (175, 113336), (200, 99169), (217, 91400), (248, 79975), (280, 70835), (310, 63980), (350, 56668), (434, 45700), (457, 43400), (620, 31990), (700, 28334), (775, 25592), (868, 22850), (914, 21700), (1085, 18280), (1240, 15995), (1400, 14167), (1550, 12796), (1736, 11425), (1828, 10850), (2170, 9140), (2285, 8680), (3100, 6398), (3199, 6200), (3656, 5425), (4340, 4570)]