19958508

素因数分解:

$2^2\times 3^3\times {\mathrm{181}}^1\times {\mathrm{1021}}^1$

素因数の和:1215

約数の個数: 48

約数和(自身を含む): 52081120

約数和(自身を除く): 32122612

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 27, 36, 54, 108, 181, 362, 543, 724, 1021, 1086, 1629, 2042, 2172, 3063, 3258, 4084, 4887, 6126, 6516, 9189, 9774, 12252, 18378, 19548, 27567, 36756, 55134, 110268, 184801, 369602, 554403, 739204, 1108806, 1663209, 2217612, 3326418, 4989627, 6652836, 9979254, 19958508]

約数ペア:

[(1, 19958508), (2, 9979254), (3, 6652836), (4, 4989627), (6, 3326418), (9, 2217612), (12, 1663209), (18, 1108806), (27, 739204), (36, 554403), (54, 369602), (108, 184801), (181, 110268), (362, 55134), (543, 36756), (724, 27567), (1021, 19548), (1086, 18378), (1629, 12252), (2042, 9774), (2172, 9189), (3063, 6516), (3258, 6126), (4084, 4887)]