18663512

素因数分解:

$2^3\times 7^2\times {\mathrm{47}}^1\times {\mathrm{1013}}^1$

素因数の和:1080

約数の個数: 48

約数和(自身を含む): 41614560

約数和(自身を除く): 22951048

約数列:

[1, 2, 4, 7, 8, 14, 28, 47, 49, 56, 94, 98, 188, 196, 329, 376, 392, 658, 1013, 1316, 2026, 2303, 2632, 4052, 4606, 7091, 8104, 9212, 14182, 18424, 28364, 47611, 49637, 56728, 95222, 99274, 190444, 198548, 333277, 380888, 397096, 666554, 1333108, 2332939, 2666216, 4665878, 9331756, 18663512]

約数ペア:

[(1, 18663512), (2, 9331756), (4, 4665878), (7, 2666216), (8, 2332939), (14, 1333108), (28, 666554), (47, 397096), (49, 380888), (56, 333277), (94, 198548), (98, 190444), (188, 99274), (196, 95222), (329, 56728), (376, 49637), (392, 47611), (658, 28364), (1013, 18424), (1316, 14182), (2026, 9212), (2303, 8104), (2632, 7091), (4052, 4606)]