18189808

素因数分解:

$2^4\times 7^1\times {\mathrm{13}}^2\times {\mathrm{31}}^2$

素因数の和:103

約数の個数: 90

約数和(自身を含む): 45066312

約数和(自身を除く): 26876504

約数列:

[1, 2, 4, 7, 8, 13, 14, 16, 26, 28, 31, 52, 56, 62, 91, 104, 112, 124, 169, 182, 208, 217, 248, 338, 364, 403, 434, 496, 676, 728, 806, 868, 961, 1183, 1352, 1456, 1612, 1736, 1922, 2366, 2704, 2821, 3224, 3472, 3844, 4732, 5239, 5642, 6448, 6727, 7688, 9464, 10478, 11284, 12493, 13454, 15376, 18928, 20956, 22568, 24986, 26908, 36673, 41912, 45136, 49972, 53816, 73346, 83824, 87451, 99944, 107632, 146692, 162409, 174902, 199888, 293384, 324818, 349804, 586768, 649636, 699608, 1136863, 1299272, 1399216, 2273726, 2598544, 4547452, 9094904, 18189808]

約数ペア:

[(1, 18189808), (2, 9094904), (4, 4547452), (7, 2598544), (8, 2273726), (13, 1399216), (14, 1299272), (16, 1136863), (26, 699608), (28, 649636), (31, 586768), (52, 349804), (56, 324818), (62, 293384), (91, 199888), (104, 174902), (112, 162409), (124, 146692), (169, 107632), (182, 99944), (208, 87451), (217, 83824), (248, 73346), (338, 53816), (364, 49972), (403, 45136), (434, 41912), (496, 36673), (676, 26908), (728, 24986), (806, 22568), (868, 20956), (961, 18928), (1183, 15376), (1352, 13454), (1456, 12493), (1612, 11284), (1736, 10478), (1922, 9464), (2366, 7688), (2704, 6727), (2821, 6448), (3224, 5642), (3472, 5239), (3844, 4732)]