18938808

素因数分解:

$2^3\times 3^2\times 7^1\times {\mathrm{53}}^1\times {\mathrm{709}}^1$

素因数の和:781

約数の個数: 96

約数和(自身を含む): 59810400

約数和(自身を除く): 40871592

約数列:

[1, 2, 3, 4, 6, 7, 8, 9, 12, 14, 18, 21, 24, 28, 36, 42, 53, 56, 63, 72, 84, 106, 126, 159, 168, 212, 252, 318, 371, 424, 477, 504, 636, 709, 742, 954, 1113, 1272, 1418, 1484, 1908, 2127, 2226, 2836, 2968, 3339, 3816, 4254, 4452, 4963, 5672, 6381, 6678, 8508, 8904, 9926, 12762, 13356, 14889, 17016, 19852, 25524, 26712, 29778, 37577, 39704, 44667, 51048, 59556, 75154, 89334, 112731, 119112, 150308, 178668, 225462, 263039, 300616, 338193, 357336, 450924, 526078, 676386, 789117, 901848, 1052156, 1352772, 1578234, 2104312, 2367351, 2705544, 3156468, 4734702, 6312936, 9469404, 18938808]

約数ペア:

[(1, 18938808), (2, 9469404), (3, 6312936), (4, 4734702), (6, 3156468), (7, 2705544), (8, 2367351), (9, 2104312), (12, 1578234), (14, 1352772), (18, 1052156), (21, 901848), (24, 789117), (28, 676386), (36, 526078), (42, 450924), (53, 357336), (56, 338193), (63, 300616), (72, 263039), (84, 225462), (106, 178668), (126, 150308), (159, 119112), (168, 112731), (212, 89334), (252, 75154), (318, 59556), (371, 51048), (424, 44667), (477, 39704), (504, 37577), (636, 29778), (709, 26712), (742, 25524), (954, 19852), (1113, 17016), (1272, 14889), (1418, 13356), (1484, 12762), (1908, 9926), (2127, 8904), (2226, 8508), (2836, 6678), (2968, 6381), (3339, 5672), (3816, 4963), (4254, 4452)]