18212460

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{103}}^1\times {\mathrm{421}}^1$

素因数の和:543

約数の個数: 96

約数和(自身を含む): 58985472

約数和(自身を除く): 40773012

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 60, 70, 84, 103, 105, 140, 206, 210, 309, 412, 420, 421, 515, 618, 721, 842, 1030, 1236, 1263, 1442, 1545, 1684, 2060, 2105, 2163, 2526, 2884, 2947, 3090, 3605, 4210, 4326, 5052, 5894, 6180, 6315, 7210, 8420, 8652, 8841, 10815, 11788, 12630, 14420, 14735, 17682, 21630, 25260, 29470, 35364, 43260, 43363, 44205, 58940, 86726, 88410, 130089, 173452, 176820, 216815, 260178, 303541, 433630, 520356, 607082, 650445, 867260, 910623, 1214164, 1300890, 1517705, 1821246, 2601780, 3035410, 3642492, 4553115, 6070820, 9106230, 18212460]

約数ペア:

[(1, 18212460), (2, 9106230), (3, 6070820), (4, 4553115), (5, 3642492), (6, 3035410), (7, 2601780), (10, 1821246), (12, 1517705), (14, 1300890), (15, 1214164), (20, 910623), (21, 867260), (28, 650445), (30, 607082), (35, 520356), (42, 433630), (60, 303541), (70, 260178), (84, 216815), (103, 176820), (105, 173452), (140, 130089), (206, 88410), (210, 86726), (309, 58940), (412, 44205), (420, 43363), (421, 43260), (515, 35364), (618, 29470), (721, 25260), (842, 21630), (1030, 17682), (1236, 14735), (1263, 14420), (1442, 12630), (1545, 11788), (1684, 10815), (2060, 8841), (2105, 8652), (2163, 8420), (2526, 7210), (2884, 6315), (2947, 6180), (3090, 5894), (3605, 5052), (4210, 4326)]