19108890

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{241}}^1\times {\mathrm{881}}^1$

素因数の和:1135

約数の個数: 48

約数和(自身を含む): 49945896

約数和(自身を除く): 30837006

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 30, 45, 90, 241, 482, 723, 881, 1205, 1446, 1762, 2169, 2410, 2643, 3615, 4338, 4405, 5286, 7230, 7929, 8810, 10845, 13215, 15858, 21690, 26430, 39645, 79290, 212321, 424642, 636963, 1061605, 1273926, 1910889, 2123210, 3184815, 3821778, 6369630, 9554445, 19108890]

約数ペア:

[(1, 19108890), (2, 9554445), (3, 6369630), (5, 3821778), (6, 3184815), (9, 2123210), (10, 1910889), (15, 1273926), (18, 1061605), (30, 636963), (45, 424642), (90, 212321), (241, 79290), (482, 39645), (723, 26430), (881, 21690), (1205, 15858), (1446, 13215), (1762, 10845), (2169, 8810), (2410, 7929), (2643, 7230), (3615, 5286), (4338, 4405)]