18710484

素因数分解:

$2^2\times 3^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{53}}^1\times {\mathrm{73}}^1$

素因数の和:177

約数の個数: 96

約数和(自身を含む): 50125824

約数和(自身を除く): 31415340

約数列:

[1, 2, 3, 4, 6, 12, 13, 26, 31, 39, 52, 53, 62, 73, 78, 93, 106, 124, 146, 156, 159, 186, 212, 219, 292, 318, 372, 403, 438, 636, 689, 806, 876, 949, 1209, 1378, 1612, 1643, 1898, 2067, 2263, 2418, 2756, 2847, 3286, 3796, 3869, 4134, 4526, 4836, 4929, 5694, 6572, 6789, 7738, 8268, 9052, 9858, 11388, 11607, 13578, 15476, 19716, 21359, 23214, 27156, 29419, 42718, 46428, 50297, 58838, 64077, 85436, 88257, 100594, 117676, 119939, 128154, 150891, 176514, 201188, 239878, 256308, 301782, 353028, 359817, 479756, 603564, 719634, 1439268, 1559207, 3118414, 4677621, 6236828, 9355242, 18710484]

約数ペア:

[(1, 18710484), (2, 9355242), (3, 6236828), (4, 4677621), (6, 3118414), (12, 1559207), (13, 1439268), (26, 719634), (31, 603564), (39, 479756), (52, 359817), (53, 353028), (62, 301782), (73, 256308), (78, 239878), (93, 201188), (106, 176514), (124, 150891), (146, 128154), (156, 119939), (159, 117676), (186, 100594), (212, 88257), (219, 85436), (292, 64077), (318, 58838), (372, 50297), (403, 46428), (438, 42718), (636, 29419), (689, 27156), (806, 23214), (876, 21359), (949, 19716), (1209, 15476), (1378, 13578), (1612, 11607), (1643, 11388), (1898, 9858), (2067, 9052), (2263, 8268), (2418, 7738), (2756, 6789), (2847, 6572), (3286, 5694), (3796, 4929), (3869, 4836), (4134, 4526)]