19317892

素因数分解:

$2^2\times {\mathrm{11}}^2\times {\mathrm{167}}^1\times {\mathrm{239}}^1$

素因数の和:432

約数の個数: 36

約数和(自身を含む): 37537920

約数和(自身を除く): 18220028

約数列:

[1, 2, 4, 11, 22, 44, 121, 167, 239, 242, 334, 478, 484, 668, 956, 1837, 2629, 3674, 5258, 7348, 10516, 20207, 28919, 39913, 40414, 57838, 79826, 80828, 115676, 159652, 439043, 878086, 1756172, 4829473, 9658946, 19317892]

約数ペア:

[(1, 19317892), (2, 9658946), (4, 4829473), (11, 1756172), (22, 878086), (44, 439043), (121, 159652), (167, 115676), (239, 80828), (242, 79826), (334, 57838), (478, 40414), (484, 39913), (668, 28919), (956, 20207), (1837, 10516), (2629, 7348), (3674, 5258)]