19514964

素因数分解:

$2^2\times 3^1\times 7^1\times {\mathrm{47}}^1\times {\mathrm{4943}}^1$

素因数の和:5004

約数の個数: 48

約数和(自身を含む): 53157888

約数和(自身を除く): 33642924

約数列:

[1, 2, 3, 4, 6, 7, 12, 14, 21, 28, 42, 47, 84, 94, 141, 188, 282, 329, 564, 658, 987, 1316, 1974, 3948, 4943, 9886, 14829, 19772, 29658, 34601, 59316, 69202, 103803, 138404, 207606, 232321, 415212, 464642, 696963, 929284, 1393926, 1626247, 2787852, 3252494, 4878741, 6504988, 9757482, 19514964]

約数ペア:

[(1, 19514964), (2, 9757482), (3, 6504988), (4, 4878741), (6, 3252494), (7, 2787852), (12, 1626247), (14, 1393926), (21, 929284), (28, 696963), (42, 464642), (47, 415212), (84, 232321), (94, 207606), (141, 138404), (188, 103803), (282, 69202), (329, 59316), (564, 34601), (658, 29658), (987, 19772), (1316, 14829), (1974, 9886), (3948, 4943)]