19641636

素因数分解:

$2^2\times 3^3\times 7^1\times {\mathrm{25981}}^1$

素因数の和:26001

約数の個数: 48

約数和(自身を含む): 58199680

約数和(自身を除く): 38558044

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 21, 27, 28, 36, 42, 54, 63, 84, 108, 126, 189, 252, 378, 756, 25981, 51962, 77943, 103924, 155886, 181867, 233829, 311772, 363734, 467658, 545601, 701487, 727468, 935316, 1091202, 1402974, 1636803, 2182404, 2805948, 3273606, 4910409, 6547212, 9820818, 19641636]

約数ペア:

[(1, 19641636), (2, 9820818), (3, 6547212), (4, 4910409), (6, 3273606), (7, 2805948), (9, 2182404), (12, 1636803), (14, 1402974), (18, 1091202), (21, 935316), (27, 727468), (28, 701487), (36, 545601), (42, 467658), (54, 363734), (63, 311772), (84, 233829), (108, 181867), (126, 155886), (189, 103924), (252, 77943), (378, 51962), (756, 25981)]