18776330

素因数分解:

$2^1\times 5^1\times {\mathrm{17}}^2\times {\mathrm{73}}^1\times {\mathrm{89}}^1$

素因数の和:203

約数の個数: 48

約数和(自身を含む): 36803160

約数和(自身を除く): 18026830

約数列:

[1, 2, 5, 10, 17, 34, 73, 85, 89, 146, 170, 178, 289, 365, 445, 578, 730, 890, 1241, 1445, 1513, 2482, 2890, 3026, 6205, 6497, 7565, 12410, 12994, 15130, 21097, 25721, 32485, 42194, 51442, 64970, 105485, 110449, 128605, 210970, 220898, 257210, 552245, 1104490, 1877633, 3755266, 9388165, 18776330]

約数ペア:

[(1, 18776330), (2, 9388165), (5, 3755266), (10, 1877633), (17, 1104490), (34, 552245), (73, 257210), (85, 220898), (89, 210970), (146, 128605), (170, 110449), (178, 105485), (289, 64970), (365, 51442), (445, 42194), (578, 32485), (730, 25721), (890, 21097), (1241, 15130), (1445, 12994), (1513, 12410), (2482, 7565), (2890, 6497), (3026, 6205)]