18271750

素因数分解:

$2^1\times 5^3\times 7^1\times {\mathrm{53}}^1\times {\mathrm{197}}^1$

素因数の和:274

約数の個数: 64

約数和(自身を含む): 40030848

約数和(自身を除く): 21759098

約数列:

[1, 2, 5, 7, 10, 14, 25, 35, 50, 53, 70, 106, 125, 175, 197, 250, 265, 350, 371, 394, 530, 742, 875, 985, 1325, 1379, 1750, 1855, 1970, 2650, 2758, 3710, 4925, 6625, 6895, 9275, 9850, 10441, 13250, 13790, 18550, 20882, 24625, 34475, 46375, 49250, 52205, 68950, 73087, 92750, 104410, 146174, 172375, 261025, 344750, 365435, 522050, 730870, 1305125, 1827175, 2610250, 3654350, 9135875, 18271750]

約数ペア:

[(1, 18271750), (2, 9135875), (5, 3654350), (7, 2610250), (10, 1827175), (14, 1305125), (25, 730870), (35, 522050), (50, 365435), (53, 344750), (70, 261025), (106, 172375), (125, 146174), (175, 104410), (197, 92750), (250, 73087), (265, 68950), (350, 52205), (371, 49250), (394, 46375), (530, 34475), (742, 24625), (875, 20882), (985, 18550), (1325, 13790), (1379, 13250), (1750, 10441), (1855, 9850), (1970, 9275), (2650, 6895), (2758, 6625), (3710, 4925)]