19601252

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{61}}^1\times {\mathrm{67}}^1\times {\mathrm{109}}^1$

素因数の和:252

約数の個数: 48

約数和(自身を含む): 38955840

約数和(自身を除く): 19354588

約数列:

[1, 2, 4, 11, 22, 44, 61, 67, 109, 122, 134, 218, 244, 268, 436, 671, 737, 1199, 1342, 1474, 2398, 2684, 2948, 4087, 4796, 6649, 7303, 8174, 13298, 14606, 16348, 26596, 29212, 44957, 73139, 80333, 89914, 146278, 160666, 179828, 292556, 321332, 445483, 890966, 1781932, 4900313, 9800626, 19601252]

約数ペア:

[(1, 19601252), (2, 9800626), (4, 4900313), (11, 1781932), (22, 890966), (44, 445483), (61, 321332), (67, 292556), (109, 179828), (122, 160666), (134, 146278), (218, 89914), (244, 80333), (268, 73139), (436, 44957), (671, 29212), (737, 26596), (1199, 16348), (1342, 14606), (1474, 13298), (2398, 8174), (2684, 7303), (2948, 6649), (4087, 4796)]