19175680

素因数分解:

$2^8\times 5^1\times {\mathrm{71}}^1\times {\mathrm{211}}^1$

素因数の和:303

約数の個数: 72

約数和(自身を含む): 46799424

約数和(自身を除く): 27623744

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 71, 80, 128, 142, 160, 211, 256, 284, 320, 355, 422, 568, 640, 710, 844, 1055, 1136, 1280, 1420, 1688, 2110, 2272, 2840, 3376, 4220, 4544, 5680, 6752, 8440, 9088, 11360, 13504, 14981, 16880, 18176, 22720, 27008, 29962, 33760, 45440, 54016, 59924, 67520, 74905, 90880, 119848, 135040, 149810, 239696, 270080, 299620, 479392, 599240, 958784, 1198480, 1917568, 2396960, 3835136, 4793920, 9587840, 19175680]

約数ペア:

[(1, 19175680), (2, 9587840), (4, 4793920), (5, 3835136), (8, 2396960), (10, 1917568), (16, 1198480), (20, 958784), (32, 599240), (40, 479392), (64, 299620), (71, 270080), (80, 239696), (128, 149810), (142, 135040), (160, 119848), (211, 90880), (256, 74905), (284, 67520), (320, 59924), (355, 54016), (422, 45440), (568, 33760), (640, 29962), (710, 27008), (844, 22720), (1055, 18176), (1136, 16880), (1280, 14981), (1420, 13504), (1688, 11360), (2110, 9088), (2272, 8440), (2840, 6752), (3376, 5680), (4220, 4544)]