18889684

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{37}}^1\times {\mathrm{41}}^1\times {\mathrm{283}}^1$

素因数の和:376

約数の個数: 48

約数和(自身を含む): 38074176

約数和(自身を除く): 19184492

約数列:

[1, 2, 4, 11, 22, 37, 41, 44, 74, 82, 148, 164, 283, 407, 451, 566, 814, 902, 1132, 1517, 1628, 1804, 3034, 3113, 6068, 6226, 10471, 11603, 12452, 16687, 20942, 23206, 33374, 41884, 46412, 66748, 115181, 127633, 230362, 255266, 429311, 460724, 510532, 858622, 1717244, 4722421, 9444842, 18889684]

約数ペア:

[(1, 18889684), (2, 9444842), (4, 4722421), (11, 1717244), (22, 858622), (37, 510532), (41, 460724), (44, 429311), (74, 255266), (82, 230362), (148, 127633), (164, 115181), (283, 66748), (407, 46412), (451, 41884), (566, 33374), (814, 23206), (902, 20942), (1132, 16687), (1517, 12452), (1628, 11603), (1804, 10471), (3034, 6226), (3113, 6068)]