18995144

素因数分解:

$2^3\times 7^2\times {\mathrm{47}}^1\times {\mathrm{1031}}^1$

素因数の和:1098

約数の個数: 48

約数和(自身を含む): 42353280

約数和(自身を除く): 23358136

約数列:

[1, 2, 4, 7, 8, 14, 28, 47, 49, 56, 94, 98, 188, 196, 329, 376, 392, 658, 1031, 1316, 2062, 2303, 2632, 4124, 4606, 7217, 8248, 9212, 14434, 18424, 28868, 48457, 50519, 57736, 96914, 101038, 193828, 202076, 339199, 387656, 404152, 678398, 1356796, 2374393, 2713592, 4748786, 9497572, 18995144]

約数ペア:

[(1, 18995144), (2, 9497572), (4, 4748786), (7, 2713592), (8, 2374393), (14, 1356796), (28, 678398), (47, 404152), (49, 387656), (56, 339199), (94, 202076), (98, 193828), (188, 101038), (196, 96914), (329, 57736), (376, 50519), (392, 48457), (658, 28868), (1031, 18424), (1316, 14434), (2062, 9212), (2303, 8248), (2632, 7217), (4124, 4606)]