17988534

素因数分解:

$2^1\times 3^3\times {\mathrm{43}}^1\times {\mathrm{61}}^1\times {\mathrm{127}}^1$

素因数の和:242

約数の個数: 64

約数和(自身を含む): 41902080

約数和(自身を除く): 23913546

約数列:

[1, 2, 3, 6, 9, 18, 27, 43, 54, 61, 86, 122, 127, 129, 183, 254, 258, 366, 381, 387, 549, 762, 774, 1098, 1143, 1161, 1647, 2286, 2322, 2623, 3294, 3429, 5246, 5461, 6858, 7747, 7869, 10922, 15494, 15738, 16383, 23241, 23607, 32766, 46482, 47214, 49149, 69723, 70821, 98298, 139446, 141642, 147447, 209169, 294894, 333121, 418338, 666242, 999363, 1998726, 2998089, 5996178, 8994267, 17988534]

約数ペア:

[(1, 17988534), (2, 8994267), (3, 5996178), (6, 2998089), (9, 1998726), (18, 999363), (27, 666242), (43, 418338), (54, 333121), (61, 294894), (86, 209169), (122, 147447), (127, 141642), (129, 139446), (183, 98298), (254, 70821), (258, 69723), (366, 49149), (381, 47214), (387, 46482), (549, 32766), (762, 23607), (774, 23241), (1098, 16383), (1143, 15738), (1161, 15494), (1647, 10922), (2286, 7869), (2322, 7747), (2623, 6858), (3294, 5461), (3429, 5246)]