18317404

素因数分解:

$2^2\times 7^1\times {\mathrm{31}}^1\times {\mathrm{47}}^1\times {\mathrm{449}}^1$

素因数の和:538

約数の個数: 48

約数和(自身を含む): 38707200

約数和(自身を除く): 20389796

約数列:

[1, 2, 4, 7, 14, 28, 31, 47, 62, 94, 124, 188, 217, 329, 434, 449, 658, 868, 898, 1316, 1457, 1796, 2914, 3143, 5828, 6286, 10199, 12572, 13919, 20398, 21103, 27838, 40796, 42206, 55676, 84412, 97433, 147721, 194866, 295442, 389732, 590884, 654193, 1308386, 2616772, 4579351, 9158702, 18317404]

約数ペア:

[(1, 18317404), (2, 9158702), (4, 4579351), (7, 2616772), (14, 1308386), (28, 654193), (31, 590884), (47, 389732), (62, 295442), (94, 194866), (124, 147721), (188, 97433), (217, 84412), (329, 55676), (434, 42206), (449, 40796), (658, 27838), (868, 21103), (898, 20398), (1316, 13919), (1457, 12572), (1796, 10199), (2914, 6286), (3143, 5828)]