18788250

素因数分解:

$2^1\times 3^1\times 5^3\times {\mathrm{13}}^1\times {\mathrm{41}}^1\times {\mathrm{47}}^1$

素因数の和:121

約数の個数: 128

約数和(自身を含む): 52835328

約数和(自身を除く): 34047078

約数列:

[1, 2, 3, 5, 6, 10, 13, 15, 25, 26, 30, 39, 41, 47, 50, 65, 75, 78, 82, 94, 123, 125, 130, 141, 150, 195, 205, 235, 246, 250, 282, 325, 375, 390, 410, 470, 533, 611, 615, 650, 705, 750, 975, 1025, 1066, 1175, 1222, 1230, 1410, 1599, 1625, 1833, 1927, 1950, 2050, 2350, 2665, 3055, 3075, 3198, 3250, 3525, 3666, 3854, 4875, 5125, 5330, 5781, 5875, 6110, 6150, 7050, 7995, 9165, 9635, 9750, 10250, 11562, 11750, 13325, 15275, 15375, 15990, 17625, 18330, 19270, 25051, 26650, 28905, 30550, 30750, 35250, 39975, 45825, 48175, 50102, 57810, 66625, 75153, 76375, 79950, 91650, 96350, 125255, 133250, 144525, 150306, 152750, 199875, 229125, 240875, 250510, 289050, 375765, 399750, 458250, 481750, 626275, 722625, 751530, 1252550, 1445250, 1878825, 3131375, 3757650, 6262750, 9394125, 18788250]

約数ペア:

[(1, 18788250), (2, 9394125), (3, 6262750), (5, 3757650), (6, 3131375), (10, 1878825), (13, 1445250), (15, 1252550), (25, 751530), (26, 722625), (30, 626275), (39, 481750), (41, 458250), (47, 399750), (50, 375765), (65, 289050), (75, 250510), (78, 240875), (82, 229125), (94, 199875), (123, 152750), (125, 150306), (130, 144525), (141, 133250), (150, 125255), (195, 96350), (205, 91650), (235, 79950), (246, 76375), (250, 75153), (282, 66625), (325, 57810), (375, 50102), (390, 48175), (410, 45825), (470, 39975), (533, 35250), (611, 30750), (615, 30550), (650, 28905), (705, 26650), (750, 25051), (975, 19270), (1025, 18330), (1066, 17625), (1175, 15990), (1222, 15375), (1230, 15275), (1410, 13325), (1599, 11750), (1625, 11562), (1833, 10250), (1927, 9750), (1950, 9635), (2050, 9165), (2350, 7995), (2665, 7050), (3055, 6150), (3075, 6110), (3198, 5875), (3250, 5781), (3525, 5330), (3666, 5125), (3854, 4875)]