17918384

素因数分解:

$2^4\times {\mathrm{11}}^1\times {\mathrm{61}}^1\times {\mathrm{1669}}^1$

素因数の和:1749

約数の個数: 40

約数和(自身を含む): 38516880

約数和(自身を除く): 20598496

約数列:

[1, 2, 4, 8, 11, 16, 22, 44, 61, 88, 122, 176, 244, 488, 671, 976, 1342, 1669, 2684, 3338, 5368, 6676, 10736, 13352, 18359, 26704, 36718, 73436, 101809, 146872, 203618, 293744, 407236, 814472, 1119899, 1628944, 2239798, 4479596, 8959192, 17918384]

約数ペア:

[(1, 17918384), (2, 8959192), (4, 4479596), (8, 2239798), (11, 1628944), (16, 1119899), (22, 814472), (44, 407236), (61, 293744), (88, 203618), (122, 146872), (176, 101809), (244, 73436), (488, 36718), (671, 26704), (976, 18359), (1342, 13352), (1669, 10736), (2684, 6676), (3338, 5368)]