18783268

素因数分解:

$2^2\times 7^2\times {\mathrm{47}}^1\times {\mathrm{2039}}^1$

素因数の和:2104

約数の個数: 36

約数和(自身を含む): 39070080

約数和(自身を除く): 20286812

約数列:

[1, 2, 4, 7, 14, 28, 47, 49, 94, 98, 188, 196, 329, 658, 1316, 2039, 2303, 4078, 4606, 8156, 9212, 14273, 28546, 57092, 95833, 99911, 191666, 199822, 383332, 399644, 670831, 1341662, 2683324, 4695817, 9391634, 18783268]

約数ペア:

[(1, 18783268), (2, 9391634), (4, 4695817), (7, 2683324), (14, 1341662), (28, 670831), (47, 399644), (49, 383332), (94, 199822), (98, 191666), (188, 99911), (196, 95833), (329, 57092), (658, 28546), (1316, 14273), (2039, 9212), (2303, 8156), (4078, 4606)]