18754710

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{2531}}^1$

素因数の和:2573

約数の個数: 64

約数和(自身を含む): 51045120

約数和(自身を除く): 32290410

約数列:

[1, 2, 3, 5, 6, 10, 13, 15, 19, 26, 30, 38, 39, 57, 65, 78, 95, 114, 130, 190, 195, 247, 285, 390, 494, 570, 741, 1235, 1482, 2470, 2531, 3705, 5062, 7410, 7593, 12655, 15186, 25310, 32903, 37965, 48089, 65806, 75930, 96178, 98709, 144267, 164515, 197418, 240445, 288534, 329030, 480890, 493545, 625157, 721335, 987090, 1250314, 1442670, 1875471, 3125785, 3750942, 6251570, 9377355, 18754710]

約数ペア:

[(1, 18754710), (2, 9377355), (3, 6251570), (5, 3750942), (6, 3125785), (10, 1875471), (13, 1442670), (15, 1250314), (19, 987090), (26, 721335), (30, 625157), (38, 493545), (39, 480890), (57, 329030), (65, 288534), (78, 240445), (95, 197418), (114, 164515), (130, 144267), (190, 98709), (195, 96178), (247, 75930), (285, 65806), (390, 48089), (494, 37965), (570, 32903), (741, 25310), (1235, 15186), (1482, 12655), (2470, 7593), (2531, 7410), (3705, 5062)]