18474948

素因数分解:

$2^2\times 3^2\times {\mathrm{47}}^1\times {\mathrm{61}}^1\times {\mathrm{179}}^1$

素因数の和:297

約数の個数: 72

約数和(自身を含む): 48746880

約数和(自身を除く): 30271932

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 47, 61, 94, 122, 141, 179, 183, 188, 244, 282, 358, 366, 423, 537, 549, 564, 716, 732, 846, 1074, 1098, 1611, 1692, 2148, 2196, 2867, 3222, 5734, 6444, 8413, 8601, 10919, 11468, 16826, 17202, 21838, 25239, 25803, 32757, 33652, 34404, 43676, 50478, 51606, 65514, 75717, 98271, 100956, 103212, 131028, 151434, 196542, 302868, 393084, 513193, 1026386, 1539579, 2052772, 3079158, 4618737, 6158316, 9237474, 18474948]

約数ペア:

[(1, 18474948), (2, 9237474), (3, 6158316), (4, 4618737), (6, 3079158), (9, 2052772), (12, 1539579), (18, 1026386), (36, 513193), (47, 393084), (61, 302868), (94, 196542), (122, 151434), (141, 131028), (179, 103212), (183, 100956), (188, 98271), (244, 75717), (282, 65514), (358, 51606), (366, 50478), (423, 43676), (537, 34404), (549, 33652), (564, 32757), (716, 25803), (732, 25239), (846, 21838), (1074, 17202), (1098, 16826), (1611, 11468), (1692, 10919), (2148, 8601), (2196, 8413), (2867, 6444), (3222, 5734)]