18986520

素因数分解:

$2^3\times 3^1\times 5^1\times 7^2\times {\mathrm{3229}}^1$

素因数の和:3257

約数の個数: 96

約数和(自身を含む): 66279600

約数和(自身を除く): 47293080

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 20, 21, 24, 28, 30, 35, 40, 42, 49, 56, 60, 70, 84, 98, 105, 120, 140, 147, 168, 196, 210, 245, 280, 294, 392, 420, 490, 588, 735, 840, 980, 1176, 1470, 1960, 2940, 3229, 5880, 6458, 9687, 12916, 16145, 19374, 22603, 25832, 32290, 38748, 45206, 48435, 64580, 67809, 77496, 90412, 96870, 113015, 129160, 135618, 158221, 180824, 193740, 226030, 271236, 316442, 339045, 387480, 452060, 474663, 542472, 632884, 678090, 791105, 904120, 949326, 1265768, 1356180, 1582210, 1898652, 2373315, 2712360, 3164420, 3797304, 4746630, 6328840, 9493260, 18986520]

約数ペア:

[(1, 18986520), (2, 9493260), (3, 6328840), (4, 4746630), (5, 3797304), (6, 3164420), (7, 2712360), (8, 2373315), (10, 1898652), (12, 1582210), (14, 1356180), (15, 1265768), (20, 949326), (21, 904120), (24, 791105), (28, 678090), (30, 632884), (35, 542472), (40, 474663), (42, 452060), (49, 387480), (56, 339045), (60, 316442), (70, 271236), (84, 226030), (98, 193740), (105, 180824), (120, 158221), (140, 135618), (147, 129160), (168, 113015), (196, 96870), (210, 90412), (245, 77496), (280, 67809), (294, 64580), (392, 48435), (420, 45206), (490, 38748), (588, 32290), (735, 25832), (840, 22603), (980, 19374), (1176, 16145), (1470, 12916), (1960, 9687), (2940, 6458), (3229, 5880)]