19381120

素因数分解:

$2^7\times 5^1\times {\mathrm{11}}^1\times {\mathrm{2753}}^1$

素因数の和:2783

約数の個数: 64

約数和(自身を含む): 50563440

約数和(自身を除く): 31182320

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 32, 40, 44, 55, 64, 80, 88, 110, 128, 160, 176, 220, 320, 352, 440, 640, 704, 880, 1408, 1760, 2753, 3520, 5506, 7040, 11012, 13765, 22024, 27530, 30283, 44048, 55060, 60566, 88096, 110120, 121132, 151415, 176192, 220240, 242264, 302830, 352384, 440480, 484528, 605660, 880960, 969056, 1211320, 1761920, 1938112, 2422640, 3876224, 4845280, 9690560, 19381120]

約数ペア:

[(1, 19381120), (2, 9690560), (4, 4845280), (5, 3876224), (8, 2422640), (10, 1938112), (11, 1761920), (16, 1211320), (20, 969056), (22, 880960), (32, 605660), (40, 484528), (44, 440480), (55, 352384), (64, 302830), (80, 242264), (88, 220240), (110, 176192), (128, 151415), (160, 121132), (176, 110120), (220, 88096), (320, 60566), (352, 55060), (440, 44048), (640, 30283), (704, 27530), (880, 22024), (1408, 13765), (1760, 11012), (2753, 7040), (3520, 5506)]