18904470

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{48473}}^1$

素因数の和:48496

約数の個数: 32

約数和(自身を含む): 48861792

約数和(自身を除く): 29957322

約数列:

[1, 2, 3, 5, 6, 10, 13, 15, 26, 30, 39, 65, 78, 130, 195, 390, 48473, 96946, 145419, 242365, 290838, 484730, 630149, 727095, 1260298, 1454190, 1890447, 3150745, 3780894, 6301490, 9452235, 18904470]

約数ペア:

[(1, 18904470), (2, 9452235), (3, 6301490), (5, 3780894), (6, 3150745), (10, 1890447), (13, 1454190), (15, 1260298), (26, 727095), (30, 630149), (39, 484730), (65, 290838), (78, 242365), (130, 145419), (195, 96946), (390, 48473)]