19752252

素因数分解:

$2^2\times 3^1\times {\mathrm{13}}^1\times {\mathrm{53}}^1\times {\mathrm{2389}}^1$

素因数の和:2462

約数の個数: 48

約数和(自身を含む): 50591520

約数和(自身を除く): 30839268

約数列:

[1, 2, 3, 4, 6, 12, 13, 26, 39, 52, 53, 78, 106, 156, 159, 212, 318, 636, 689, 1378, 2067, 2389, 2756, 4134, 4778, 7167, 8268, 9556, 14334, 28668, 31057, 62114, 93171, 124228, 126617, 186342, 253234, 372684, 379851, 506468, 759702, 1519404, 1646021, 3292042, 4938063, 6584084, 9876126, 19752252]

約数ペア:

[(1, 19752252), (2, 9876126), (3, 6584084), (4, 4938063), (6, 3292042), (12, 1646021), (13, 1519404), (26, 759702), (39, 506468), (52, 379851), (53, 372684), (78, 253234), (106, 186342), (156, 126617), (159, 124228), (212, 93171), (318, 62114), (636, 31057), (689, 28668), (1378, 14334), (2067, 9556), (2389, 8268), (2756, 7167), (4134, 4778)]