18245240

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^2\times {\mathrm{2699}}^1$

素因数の和:2736

約数の個数: 48

約数和(自身を含む): 44469000

約数和(自身を除く): 26223760

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, 2699, 3380, 5398, 6760, 10796, 13495, 21592, 26990, 35087, 53980, 70174, 107960, 140348, 175435, 280696, 350870, 456131, 701740, 912262, 1403480, 1824524, 2280655, 3649048, 4561310, 9122620, 18245240]

約数ペア:

[(1, 18245240), (2, 9122620), (4, 4561310), (5, 3649048), (8, 2280655), (10, 1824524), (13, 1403480), (20, 912262), (26, 701740), (40, 456131), (52, 350870), (65, 280696), (104, 175435), (130, 140348), (169, 107960), (260, 70174), (338, 53980), (520, 35087), (676, 26990), (845, 21592), (1352, 13495), (1690, 10796), (2699, 6760), (3380, 5398)]