18238428

素因数分解:

$2^2\times 3^2\times {\mathrm{13}}^1\times {\mathrm{38971}}^1$

素因数の和:38994

約数の個数: 36

約数和(自身を含む): 49650328

約数和(自身を除く): 31411900

約数列:

[1, 2, 3, 4, 6, 9, 12, 13, 18, 26, 36, 39, 52, 78, 117, 156, 234, 468, 38971, 77942, 116913, 155884, 233826, 350739, 467652, 506623, 701478, 1013246, 1402956, 1519869, 2026492, 3039738, 4559607, 6079476, 9119214, 18238428]

約数ペア:

[(1, 18238428), (2, 9119214), (3, 6079476), (4, 4559607), (6, 3039738), (9, 2026492), (12, 1519869), (13, 1402956), (18, 1013246), (26, 701478), (36, 506623), (39, 467652), (52, 350739), (78, 233826), (117, 155884), (156, 116913), (234, 77942), (468, 38971)]