20189322218

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{59}}^1\times {\mathrm{83}}^1\times {\mathrm{257}}^1\times {\mathrm{617}}^1$

素因数の和:1031

約数の個数: 64

約数和(自身を含む): 33751105920

約数和(自身を除く): 13561783702

約数列:

[1, 2, 13, 26, 59, 83, 118, 166, 257, 514, 617, 767, 1079, 1234, 1534, 2158, 3341, 4897, 6682, 8021, 9794, 15163, 16042, 21331, 30326, 36403, 42662, 51211, 63661, 72806, 102422, 127322, 158569, 197119, 277303, 317138, 394238, 473239, 554606, 665743, 946478, 1258529, 1331486, 2061397, 2517058, 3021449, 4122794, 6042898, 9355571, 13161227, 16360877, 18711142, 26322454, 32721754, 39278837, 78557674, 121622423, 171095951, 243244846, 342191902, 776512393, 1553024786, 10094661109, 20189322218]

約数ペア:

[(1, 20189322218), (2, 10094661109), (13, 1553024786), (26, 776512393), (59, 342191902), (83, 243244846), (118, 171095951), (166, 121622423), (257, 78557674), (514, 39278837), (617, 32721754), (767, 26322454), (1079, 18711142), (1234, 16360877), (1534, 13161227), (2158, 9355571), (3341, 6042898), (4897, 4122794), (6682, 3021449), (8021, 2517058), (9794, 2061397), (15163, 1331486), (16042, 1258529), (21331, 946478), (30326, 665743), (36403, 554606), (42662, 473239), (51211, 394238), (63661, 317138), (72806, 277303), (102422, 197119), (127322, 158569)]