18503618

素因数分解:

$2^1\times 7^1\times {\mathrm{47}}^1\times {\mathrm{61}}^1\times {\mathrm{461}}^1$

素因数の和:578

約数の個数: 32

約数和(自身を含む): 32997888

約数和(自身を除く): 14494270

約数列:

[1, 2, 7, 14, 47, 61, 94, 122, 329, 427, 461, 658, 854, 922, 2867, 3227, 5734, 6454, 20069, 21667, 28121, 40138, 43334, 56242, 151669, 196847, 303338, 393694, 1321687, 2643374, 9251809, 18503618]

約数ペア:

[(1, 18503618), (2, 9251809), (7, 2643374), (14, 1321687), (47, 393694), (61, 303338), (94, 196847), (122, 151669), (329, 56242), (427, 43334), (461, 40138), (658, 28121), (854, 21667), (922, 20069), (2867, 6454), (3227, 5734)]