18291255320

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^3\times {\mathrm{208139}}^1$

素因数の和:208189

約数の個数: 64

約数和(自身を含む): 44583588000

約数和(自身を除く): 26292332680

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 104, 130, 169, 260, 338, 520, 676, 845, 1352, 1690, 2197, 3380, 4394, 6760, 8788, 10985, 17576, 21970, 43940, 87880, 208139, 416278, 832556, 1040695, 1665112, 2081390, 2705807, 4162780, 5411614, 8325560, 10823228, 13529035, 21646456, 27058070, 35175491, 54116140, 70350982, 108232280, 140701964, 175877455, 281403928, 351754910, 457281383, 703509820, 914562766, 1407019640, 1829125532, 2286406915, 3658251064, 4572813830, 9145627660, 18291255320]

約数ペア:

[(1, 18291255320), (2, 9145627660), (4, 4572813830), (5, 3658251064), (8, 2286406915), (10, 1829125532), (13, 1407019640), (20, 914562766), (26, 703509820), (40, 457281383), (52, 351754910), (65, 281403928), (104, 175877455), (130, 140701964), (169, 108232280), (260, 70350982), (338, 54116140), (520, 35175491), (676, 27058070), (845, 21646456), (1352, 13529035), (1690, 10823228), (2197, 8325560), (3380, 5411614), (4394, 4162780), (6760, 2705807), (8788, 2081390), (10985, 1665112), (17576, 1040695), (21970, 832556), (43940, 416278), (87880, 208139)]