18847048

素因数分解:

$2^3\times {\mathrm{11}}^1\times {\mathrm{61}}^1\times {\mathrm{3511}}^1$

素因数の和:3589

約数の個数: 32

約数和(自身を含む): 39193920

約数和(自身を除く): 20346872

約数列:

[1, 2, 4, 8, 11, 22, 44, 61, 88, 122, 244, 488, 671, 1342, 2684, 3511, 5368, 7022, 14044, 28088, 38621, 77242, 154484, 214171, 308968, 428342, 856684, 1713368, 2355881, 4711762, 9423524, 18847048]

約数ペア:

[(1, 18847048), (2, 9423524), (4, 4711762), (8, 2355881), (11, 1713368), (22, 856684), (44, 428342), (61, 308968), (88, 214171), (122, 154484), (244, 77242), (488, 38621), (671, 28088), (1342, 14044), (2684, 7022), (3511, 5368)]