18286450

素因数分解:

$2^1\times 5^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{4019}}^1$

素因数の和:4051

約数の個数: 48

約数和(自身を含む): 41872320

約数和(自身を除く): 23585870

約数列:

[1, 2, 5, 7, 10, 13, 14, 25, 26, 35, 50, 65, 70, 91, 130, 175, 182, 325, 350, 455, 650, 910, 2275, 4019, 4550, 8038, 20095, 28133, 40190, 52247, 56266, 100475, 104494, 140665, 200950, 261235, 281330, 365729, 522470, 703325, 731458, 1306175, 1406650, 1828645, 2612350, 3657290, 9143225, 18286450]

約数ペア:

[(1, 18286450), (2, 9143225), (5, 3657290), (7, 2612350), (10, 1828645), (13, 1406650), (14, 1306175), (25, 731458), (26, 703325), (35, 522470), (50, 365729), (65, 281330), (70, 261235), (91, 200950), (130, 140665), (175, 104494), (182, 100475), (325, 56266), (350, 52247), (455, 40190), (650, 28133), (910, 20095), (2275, 8038), (4019, 4550)]