17978376

素因数分解:

$2^3\times 3^1\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{1987}}^1$

素因数の和:2038

約数の個数: 64

約数和(自身を含む): 50097600

約数和(自身を除く): 32119224

約数列:

[1, 2, 3, 4, 6, 8, 12, 13, 24, 26, 29, 39, 52, 58, 78, 87, 104, 116, 156, 174, 232, 312, 348, 377, 696, 754, 1131, 1508, 1987, 2262, 3016, 3974, 4524, 5961, 7948, 9048, 11922, 15896, 23844, 25831, 47688, 51662, 57623, 77493, 103324, 115246, 154986, 172869, 206648, 230492, 309972, 345738, 460984, 619944, 691476, 749099, 1382952, 1498198, 2247297, 2996396, 4494594, 5992792, 8989188, 17978376]

約数ペア:

[(1, 17978376), (2, 8989188), (3, 5992792), (4, 4494594), (6, 2996396), (8, 2247297), (12, 1498198), (13, 1382952), (24, 749099), (26, 691476), (29, 619944), (39, 460984), (52, 345738), (58, 309972), (78, 230492), (87, 206648), (104, 172869), (116, 154986), (156, 115246), (174, 103324), (232, 77493), (312, 57623), (348, 51662), (377, 47688), (696, 25831), (754, 23844), (1131, 15896), (1508, 11922), (1987, 9048), (2262, 7948), (3016, 5961), (3974, 4524)]