18748960

素因数分解:

$2^5\times 5^1\times {\mathrm{17}}^1\times {\mathrm{61}}^1\times {\mathrm{113}}^1$

素因数の和:206

約数の個数: 96

約数和(自身を含む): 48090672

約数和(自身を除く): 29341712

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 32, 34, 40, 61, 68, 80, 85, 113, 122, 136, 160, 170, 226, 244, 272, 305, 340, 452, 488, 544, 565, 610, 680, 904, 976, 1037, 1130, 1220, 1360, 1808, 1921, 1952, 2074, 2260, 2440, 2720, 3616, 3842, 4148, 4520, 4880, 5185, 6893, 7684, 8296, 9040, 9605, 9760, 10370, 13786, 15368, 16592, 18080, 19210, 20740, 27572, 30736, 33184, 34465, 38420, 41480, 55144, 61472, 68930, 76840, 82960, 110288, 117181, 137860, 153680, 165920, 220576, 234362, 275720, 307360, 468724, 551440, 585905, 937448, 1102880, 1171810, 1874896, 2343620, 3749792, 4687240, 9374480, 18748960]

約数ペア:

[(1, 18748960), (2, 9374480), (4, 4687240), (5, 3749792), (8, 2343620), (10, 1874896), (16, 1171810), (17, 1102880), (20, 937448), (32, 585905), (34, 551440), (40, 468724), (61, 307360), (68, 275720), (80, 234362), (85, 220576), (113, 165920), (122, 153680), (136, 137860), (160, 117181), (170, 110288), (226, 82960), (244, 76840), (272, 68930), (305, 61472), (340, 55144), (452, 41480), (488, 38420), (544, 34465), (565, 33184), (610, 30736), (680, 27572), (904, 20740), (976, 19210), (1037, 18080), (1130, 16592), (1220, 15368), (1360, 13786), (1808, 10370), (1921, 9760), (1952, 9605), (2074, 9040), (2260, 8296), (2440, 7684), (2720, 6893), (3616, 5185), (3842, 4880), (4148, 4520)]