19473860

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{7321}}^1$

素因数の和:7356

約数の個数: 48

約数和(自身を含む): 49203840

約数和(自身を除く): 29729980

約数列:

[1, 2, 4, 5, 7, 10, 14, 19, 20, 28, 35, 38, 70, 76, 95, 133, 140, 190, 266, 380, 532, 665, 1330, 2660, 7321, 14642, 29284, 36605, 51247, 73210, 102494, 139099, 146420, 204988, 256235, 278198, 512470, 556396, 695495, 973693, 1024940, 1390990, 1947386, 2781980, 3894772, 4868465, 9736930, 19473860]

約数ペア:

[(1, 19473860), (2, 9736930), (4, 4868465), (5, 3894772), (7, 2781980), (10, 1947386), (14, 1390990), (19, 1024940), (20, 973693), (28, 695495), (35, 556396), (38, 512470), (70, 278198), (76, 256235), (95, 204988), (133, 146420), (140, 139099), (190, 102494), (266, 73210), (380, 51247), (532, 36605), (665, 29284), (1330, 14642), (2660, 7321)]