19278776

素因数分解:

$2^3\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{37}}^1\times {\mathrm{191}}^1$

素因数の和:276

約数の個数: 64

約数和(自身を含む): 42024960

約数和(自身を除く): 22746184

約数列:

[1, 2, 4, 8, 11, 22, 31, 37, 44, 62, 74, 88, 124, 148, 191, 248, 296, 341, 382, 407, 682, 764, 814, 1147, 1364, 1528, 1628, 2101, 2294, 2728, 3256, 4202, 4588, 5921, 7067, 8404, 9176, 11842, 12617, 14134, 16808, 23684, 25234, 28268, 47368, 50468, 56536, 65131, 77737, 100936, 130262, 155474, 219077, 260524, 310948, 438154, 521048, 621896, 876308, 1752616, 2409847, 4819694, 9639388, 19278776]

約数ペア:

[(1, 19278776), (2, 9639388), (4, 4819694), (8, 2409847), (11, 1752616), (22, 876308), (31, 621896), (37, 521048), (44, 438154), (62, 310948), (74, 260524), (88, 219077), (124, 155474), (148, 130262), (191, 100936), (248, 77737), (296, 65131), (341, 56536), (382, 50468), (407, 47368), (682, 28268), (764, 25234), (814, 23684), (1147, 16808), (1364, 14134), (1528, 12617), (1628, 11842), (2101, 9176), (2294, 8404), (2728, 7067), (3256, 5921), (4202, 4588)]