19066520

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{2549}}^1$

素因数の和:2588

約数の個数: 64

約数和(自身を含む): 49572000

約数和(自身を除く): 30505480

約数列:

[1, 2, 4, 5, 8, 10, 11, 17, 20, 22, 34, 40, 44, 55, 68, 85, 88, 110, 136, 170, 187, 220, 340, 374, 440, 680, 748, 935, 1496, 1870, 2549, 3740, 5098, 7480, 10196, 12745, 20392, 25490, 28039, 43333, 50980, 56078, 86666, 101960, 112156, 140195, 173332, 216665, 224312, 280390, 346664, 433330, 476663, 560780, 866660, 953326, 1121560, 1733320, 1906652, 2383315, 3813304, 4766630, 9533260, 19066520]

約数ペア:

[(1, 19066520), (2, 9533260), (4, 4766630), (5, 3813304), (8, 2383315), (10, 1906652), (11, 1733320), (17, 1121560), (20, 953326), (22, 866660), (34, 560780), (40, 476663), (44, 433330), (55, 346664), (68, 280390), (85, 224312), (88, 216665), (110, 173332), (136, 140195), (170, 112156), (187, 101960), (220, 86666), (340, 56078), (374, 50980), (440, 43333), (680, 28039), (748, 25490), (935, 20392), (1496, 12745), (1870, 10196), (2549, 7480), (3740, 5098)]