19436120

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{163}}^1\times {\mathrm{271}}^1$

素因数の和:456

約数の個数: 64

約数和(自身を含む): 48176640

約数和(自身を除く): 28740520

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 88, 110, 163, 220, 271, 326, 440, 542, 652, 815, 1084, 1304, 1355, 1630, 1793, 2168, 2710, 2981, 3260, 3586, 5420, 5962, 6520, 7172, 8965, 10840, 11924, 14344, 14905, 17930, 23848, 29810, 35860, 44173, 59620, 71720, 88346, 119240, 176692, 220865, 353384, 441730, 485903, 883460, 971806, 1766920, 1943612, 2429515, 3887224, 4859030, 9718060, 19436120]

約数ペア:

[(1, 19436120), (2, 9718060), (4, 4859030), (5, 3887224), (8, 2429515), (10, 1943612), (11, 1766920), (20, 971806), (22, 883460), (40, 485903), (44, 441730), (55, 353384), (88, 220865), (110, 176692), (163, 119240), (220, 88346), (271, 71720), (326, 59620), (440, 44173), (542, 35860), (652, 29810), (815, 23848), (1084, 17930), (1304, 14905), (1355, 14344), (1630, 11924), (1793, 10840), (2168, 8965), (2710, 7172), (2981, 6520), (3260, 5962), (3586, 5420)]