18388797

素因数分解:

$3^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{47}}^1\times {\mathrm{601}}^1$

素因数の和:689

約数の個数: 32

約数和(自身を含む): 29589504

約数和(自身を除く): 11200707

約数列:

[1, 3, 7, 21, 31, 47, 93, 141, 217, 329, 601, 651, 987, 1457, 1803, 4207, 4371, 10199, 12621, 18631, 28247, 30597, 55893, 84741, 130417, 197729, 391251, 593187, 875657, 2626971, 6129599, 18388797]

約数ペア:

[(1, 18388797), (3, 6129599), (7, 2626971), (21, 875657), (31, 593187), (47, 391251), (93, 197729), (141, 130417), (217, 84741), (329, 55893), (601, 30597), (651, 28247), (987, 18631), (1457, 12621), (1803, 10199), (4207, 4371)]