18639703808

素因数分解:

$2^8\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{213523}}^1$

素因数の和:213581

約数の個数: 72

約数和(自身を含む): 41898533376

約数和(自身を除く): 23258829568

約数列:

[1, 2, 4, 8, 11, 16, 22, 31, 32, 44, 62, 64, 88, 124, 128, 176, 248, 256, 341, 352, 496, 682, 704, 992, 1364, 1408, 1984, 2728, 2816, 3968, 5456, 7936, 10912, 21824, 43648, 87296, 213523, 427046, 854092, 1708184, 2348753, 3416368, 4697506, 6619213, 6832736, 9395012, 13238426, 13665472, 18790024, 26476852, 27330944, 37580048, 52953704, 54661888, 72811343, 75160096, 105907408, 145622686, 150320192, 211814816, 291245372, 300640384, 423629632, 582490744, 601280768, 847259264, 1164981488, 1694518528, 2329962976, 4659925952, 9319851904, 18639703808]

約数ペア:

[(1, 18639703808), (2, 9319851904), (4, 4659925952), (8, 2329962976), (11, 1694518528), (16, 1164981488), (22, 847259264), (31, 601280768), (32, 582490744), (44, 423629632), (62, 300640384), (64, 291245372), (88, 211814816), (124, 150320192), (128, 145622686), (176, 105907408), (248, 75160096), (256, 72811343), (341, 54661888), (352, 52953704), (496, 37580048), (682, 27330944), (704, 26476852), (992, 18790024), (1364, 13665472), (1408, 13238426), (1984, 9395012), (2728, 6832736), (2816, 6619213), (3968, 4697506), (5456, 3416368), (7936, 2348753), (10912, 1708184), (21824, 854092), (43648, 427046), (87296, 213523)]