18971200

素因数分解:

$2^6\times 5^2\times {\mathrm{71}}^1\times {\mathrm{167}}^1$

素因数の和:260

約数の個数: 84

約数和(自身を含む): 47621952

約数和(自身を除く): 28650752

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 32, 40, 50, 64, 71, 80, 100, 142, 160, 167, 200, 284, 320, 334, 355, 400, 568, 668, 710, 800, 835, 1136, 1336, 1420, 1600, 1670, 1775, 2272, 2672, 2840, 3340, 3550, 4175, 4544, 5344, 5680, 6680, 7100, 8350, 10688, 11360, 11857, 13360, 14200, 16700, 22720, 23714, 26720, 28400, 33400, 47428, 53440, 56800, 59285, 66800, 94856, 113600, 118570, 133600, 189712, 237140, 267200, 296425, 379424, 474280, 592850, 758848, 948560, 1185700, 1897120, 2371400, 3794240, 4742800, 9485600, 18971200]

約数ペア:

[(1, 18971200), (2, 9485600), (4, 4742800), (5, 3794240), (8, 2371400), (10, 1897120), (16, 1185700), (20, 948560), (25, 758848), (32, 592850), (40, 474280), (50, 379424), (64, 296425), (71, 267200), (80, 237140), (100, 189712), (142, 133600), (160, 118570), (167, 113600), (200, 94856), (284, 66800), (320, 59285), (334, 56800), (355, 53440), (400, 47428), (568, 33400), (668, 28400), (710, 26720), (800, 23714), (835, 22720), (1136, 16700), (1336, 14200), (1420, 13360), (1600, 11857), (1670, 11360), (1775, 10688), (2272, 8350), (2672, 7100), (2840, 6680), (3340, 5680), (3550, 5344), (4175, 4544)]