18279846

素因数分解:

$2^1\times 3^2\times {\mathrm{13}}^1\times {\mathrm{191}}^1\times {\mathrm{409}}^1$

素因数の和:621

約数の個数: 48

約数和(自身を含む): 42981120

約数和(自身を除く): 24701274

約数列:

[1, 2, 3, 6, 9, 13, 18, 26, 39, 78, 117, 191, 234, 382, 409, 573, 818, 1146, 1227, 1719, 2454, 2483, 3438, 3681, 4966, 5317, 7362, 7449, 10634, 14898, 15951, 22347, 31902, 44694, 47853, 78119, 95706, 156238, 234357, 468714, 703071, 1015547, 1406142, 2031094, 3046641, 6093282, 9139923, 18279846]

約数ペア:

[(1, 18279846), (2, 9139923), (3, 6093282), (6, 3046641), (9, 2031094), (13, 1406142), (18, 1015547), (26, 703071), (39, 468714), (78, 234357), (117, 156238), (191, 95706), (234, 78119), (382, 47853), (409, 44694), (573, 31902), (818, 22347), (1146, 15951), (1227, 14898), (1719, 10634), (2454, 7449), (2483, 7362), (3438, 5317), (3681, 4966)]