18338240

素因数分解:

$2^6\times 5^1\times {\mathrm{17}}^1\times {\mathrm{3371}}^1$

素因数の和:3405

約数の個数: 56

約数和(自身を含む): 46250352

約数和(自身を除く): 27912112

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 32, 34, 40, 64, 68, 80, 85, 136, 160, 170, 272, 320, 340, 544, 680, 1088, 1360, 2720, 3371, 5440, 6742, 13484, 16855, 26968, 33710, 53936, 57307, 67420, 107872, 114614, 134840, 215744, 229228, 269680, 286535, 458456, 539360, 573070, 916912, 1078720, 1146140, 1833824, 2292280, 3667648, 4584560, 9169120, 18338240]

約数ペア:

[(1, 18338240), (2, 9169120), (4, 4584560), (5, 3667648), (8, 2292280), (10, 1833824), (16, 1146140), (17, 1078720), (20, 916912), (32, 573070), (34, 539360), (40, 458456), (64, 286535), (68, 269680), (80, 229228), (85, 215744), (136, 134840), (160, 114614), (170, 107872), (272, 67420), (320, 57307), (340, 53936), (544, 33710), (680, 26968), (1088, 16855), (1360, 13484), (2720, 6742), (3371, 5440)]