19561724

素因数分解:

$2^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{61}}^1\times {\mathrm{881}}^1$

素因数の和:966

約数の個数: 48

約数和(自身を含む): 42872256

約数和(自身を除く): 23310532

約数列:

[1, 2, 4, 7, 13, 14, 26, 28, 52, 61, 91, 122, 182, 244, 364, 427, 793, 854, 881, 1586, 1708, 1762, 3172, 3524, 5551, 6167, 11102, 11453, 12334, 22204, 22906, 24668, 45812, 53741, 80171, 107482, 160342, 214964, 320684, 376187, 698633, 752374, 1397266, 1504748, 2794532, 4890431, 9780862, 19561724]

約数ペア:

[(1, 19561724), (2, 9780862), (4, 4890431), (7, 2794532), (13, 1504748), (14, 1397266), (26, 752374), (28, 698633), (52, 376187), (61, 320684), (91, 214964), (122, 160342), (182, 107482), (244, 80171), (364, 53741), (427, 45812), (793, 24668), (854, 22906), (881, 22204), (1586, 12334), (1708, 11453), (1762, 11102), (3172, 6167), (3524, 5551)]