16517384

素因数分解:

$2^3\times {\mathrm{13}}^2\times {\mathrm{19}}^1\times {\mathrm{643}}^1$

素因数の和:694

約数の個数: 48

約数和(自身を含む): 35355600

約数和(自身を除く): 18838216

約数列:

[1, 2, 4, 8, 13, 19, 26, 38, 52, 76, 104, 152, 169, 247, 338, 494, 643, 676, 988, 1286, 1352, 1976, 2572, 3211, 5144, 6422, 8359, 12217, 12844, 16718, 24434, 25688, 33436, 48868, 66872, 97736, 108667, 158821, 217334, 317642, 434668, 635284, 869336, 1270568, 2064673, 4129346, 8258692, 16517384]

約数ペア:

[(1, 16517384), (2, 8258692), (4, 4129346), (8, 2064673), (13, 1270568), (19, 869336), (26, 635284), (38, 434668), (52, 317642), (76, 217334), (104, 158821), (152, 108667), (169, 97736), (247, 66872), (338, 48868), (494, 33436), (643, 25688), (676, 24434), (988, 16718), (1286, 12844), (1352, 12217), (1976, 8359), (2572, 6422), (3211, 5144)]