19786600

素因数分解:

$2^3\times 5^2\times {\mathrm{19}}^1\times {\mathrm{41}}^1\times {\mathrm{127}}^1$

素因数の和:203

約数の個数: 96

約数和(自身を含む): 49996800

約数和(自身を除く): 30210200

約数列:

[1, 2, 4, 5, 8, 10, 19, 20, 25, 38, 40, 41, 50, 76, 82, 95, 100, 127, 152, 164, 190, 200, 205, 254, 328, 380, 410, 475, 508, 635, 760, 779, 820, 950, 1016, 1025, 1270, 1558, 1640, 1900, 2050, 2413, 2540, 3116, 3175, 3800, 3895, 4100, 4826, 5080, 5207, 6232, 6350, 7790, 8200, 9652, 10414, 12065, 12700, 15580, 19304, 19475, 20828, 24130, 25400, 26035, 31160, 38950, 41656, 48260, 52070, 60325, 77900, 96520, 98933, 104140, 120650, 130175, 155800, 197866, 208280, 241300, 260350, 395732, 482600, 494665, 520700, 791464, 989330, 1041400, 1978660, 2473325, 3957320, 4946650, 9893300, 19786600]

約数ペア:

[(1, 19786600), (2, 9893300), (4, 4946650), (5, 3957320), (8, 2473325), (10, 1978660), (19, 1041400), (20, 989330), (25, 791464), (38, 520700), (40, 494665), (41, 482600), (50, 395732), (76, 260350), (82, 241300), (95, 208280), (100, 197866), (127, 155800), (152, 130175), (164, 120650), (190, 104140), (200, 98933), (205, 96520), (254, 77900), (328, 60325), (380, 52070), (410, 48260), (475, 41656), (508, 38950), (635, 31160), (760, 26035), (779, 25400), (820, 24130), (950, 20828), (1016, 19475), (1025, 19304), (1270, 15580), (1558, 12700), (1640, 12065), (1900, 10414), (2050, 9652), (2413, 8200), (2540, 7790), (3116, 6350), (3175, 6232), (3800, 5207), (3895, 5080), (4100, 4826)]