18639285

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{9343}}^1$

素因数の和:9377

約数の個数: 32

約数和(自身を含む): 35880960

約数和(自身を除く): 17241675

約数列:

[1, 3, 5, 7, 15, 19, 21, 35, 57, 95, 105, 133, 285, 399, 665, 1995, 9343, 28029, 46715, 65401, 140145, 177517, 196203, 327005, 532551, 887585, 981015, 1242619, 2662755, 3727857, 6213095, 18639285]

約数ペア:

[(1, 18639285), (3, 6213095), (5, 3727857), (7, 2662755), (15, 1242619), (19, 981015), (21, 887585), (35, 532551), (57, 327005), (95, 196203), (105, 177517), (133, 140145), (285, 65401), (399, 46715), (665, 28029), (1995, 9343)]