18717768

素因数分解:

$2^3\times 3^2\times {\mathrm{23}}^1\times {\mathrm{89}}^1\times {\mathrm{127}}^1$

素因数の和:251

約数の個数: 96

約数和(自身を含む): 53913600

約数和(自身を除く): 35195832

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 23, 24, 36, 46, 69, 72, 89, 92, 127, 138, 178, 184, 207, 254, 267, 276, 356, 381, 414, 508, 534, 552, 712, 762, 801, 828, 1016, 1068, 1143, 1524, 1602, 1656, 2047, 2136, 2286, 2921, 3048, 3204, 4094, 4572, 5842, 6141, 6408, 8188, 8763, 9144, 11303, 11684, 12282, 16376, 17526, 18423, 22606, 23368, 24564, 26289, 33909, 35052, 36846, 45212, 49128, 52578, 67818, 70104, 73692, 90424, 101727, 105156, 135636, 147384, 203454, 210312, 259969, 271272, 406908, 519938, 779907, 813816, 1039876, 1559814, 2079752, 2339721, 3119628, 4679442, 6239256, 9358884, 18717768]

約数ペア:

[(1, 18717768), (2, 9358884), (3, 6239256), (4, 4679442), (6, 3119628), (8, 2339721), (9, 2079752), (12, 1559814), (18, 1039876), (23, 813816), (24, 779907), (36, 519938), (46, 406908), (69, 271272), (72, 259969), (89, 210312), (92, 203454), (127, 147384), (138, 135636), (178, 105156), (184, 101727), (207, 90424), (254, 73692), (267, 70104), (276, 67818), (356, 52578), (381, 49128), (414, 45212), (508, 36846), (534, 35052), (552, 33909), (712, 26289), (762, 24564), (801, 23368), (828, 22606), (1016, 18423), (1068, 17526), (1143, 16376), (1524, 12282), (1602, 11684), (1656, 11303), (2047, 9144), (2136, 8763), (2286, 8188), (2921, 6408), (3048, 6141), (3204, 5842), (4094, 4572)]