18967940368

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{10459}}^1\times {\mathrm{8719}}^1$

素因数の和:19199

約数の個数: 40

約数和(自身を含む): 39585660800

約数和(自身を除く): 20617720432

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 104, 208, 8719, 10459, 17438, 20918, 34876, 41836, 69752, 83672, 113347, 135967, 139504, 167344, 226694, 271934, 453388, 543868, 906776, 1087736, 1813552, 2175472, 91192021, 182384042, 364768084, 729536168, 1185496273, 1459072336, 2370992546, 4741985092, 9483970184, 18967940368]

約数ペア:

[(1, 18967940368), (2, 9483970184), (4, 4741985092), (8, 2370992546), (13, 1459072336), (16, 1185496273), (26, 729536168), (52, 364768084), (104, 182384042), (208, 91192021), (8719, 2175472), (10459, 1813552), (17438, 1087736), (20918, 906776), (34876, 543868), (41836, 453388), (69752, 271934), (83672, 226694), (113347, 167344), (135967, 139504)]