18439356

素因数分解:

$2^2\times 3^1\times {\mathrm{13}}^1\times {\mathrm{17}}^2\times {\mathrm{409}}^1$

素因数の和:463

約数の個数: 72

約数和(自身を含む): 49341040

約数和(自身を除く): 30901684

約数列:

[1, 2, 3, 4, 6, 12, 13, 17, 26, 34, 39, 51, 52, 68, 78, 102, 156, 204, 221, 289, 409, 442, 578, 663, 818, 867, 884, 1156, 1227, 1326, 1636, 1734, 2454, 2652, 3468, 3757, 4908, 5317, 6953, 7514, 10634, 11271, 13906, 15028, 15951, 20859, 21268, 22542, 27812, 31902, 41718, 45084, 63804, 83436, 90389, 118201, 180778, 236402, 271167, 354603, 361556, 472804, 542334, 709206, 1084668, 1418412, 1536613, 3073226, 4609839, 6146452, 9219678, 18439356]

約数ペア:

[(1, 18439356), (2, 9219678), (3, 6146452), (4, 4609839), (6, 3073226), (12, 1536613), (13, 1418412), (17, 1084668), (26, 709206), (34, 542334), (39, 472804), (51, 361556), (52, 354603), (68, 271167), (78, 236402), (102, 180778), (156, 118201), (204, 90389), (221, 83436), (289, 63804), (409, 45084), (442, 41718), (578, 31902), (663, 27812), (818, 22542), (867, 21268), (884, 20859), (1156, 15951), (1227, 15028), (1326, 13906), (1636, 11271), (1734, 10634), (2454, 7514), (2652, 6953), (3468, 5317), (3757, 4908)]