18122820

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{41}}^1\times {\mathrm{53}}^1\times {\mathrm{139}}^1$

素因数の和:245

約数の個数: 96

約数和(自身を含む): 53343360

約数和(自身を除く): 35220540

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 41, 53, 60, 82, 106, 123, 139, 159, 164, 205, 212, 246, 265, 278, 318, 410, 417, 492, 530, 556, 615, 636, 695, 795, 820, 834, 1060, 1230, 1390, 1590, 1668, 2085, 2173, 2460, 2780, 3180, 4170, 4346, 5699, 6519, 7367, 8340, 8692, 10865, 11398, 13038, 14734, 17097, 21730, 22101, 22796, 26076, 28495, 29468, 32595, 34194, 36835, 43460, 44202, 56990, 65190, 68388, 73670, 85485, 88404, 110505, 113980, 130380, 147340, 170970, 221010, 302047, 341940, 442020, 604094, 906141, 1208188, 1510235, 1812282, 3020470, 3624564, 4530705, 6040940, 9061410, 18122820]

約数ペア:

[(1, 18122820), (2, 9061410), (3, 6040940), (4, 4530705), (5, 3624564), (6, 3020470), (10, 1812282), (12, 1510235), (15, 1208188), (20, 906141), (30, 604094), (41, 442020), (53, 341940), (60, 302047), (82, 221010), (106, 170970), (123, 147340), (139, 130380), (159, 113980), (164, 110505), (205, 88404), (212, 85485), (246, 73670), (265, 68388), (278, 65190), (318, 56990), (410, 44202), (417, 43460), (492, 36835), (530, 34194), (556, 32595), (615, 29468), (636, 28495), (695, 26076), (795, 22796), (820, 22101), (834, 21730), (1060, 17097), (1230, 14734), (1390, 13038), (1590, 11398), (1668, 10865), (2085, 8692), (2173, 8340), (2460, 7367), (2780, 6519), (3180, 5699), (4170, 4346)]