18758810

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{73}}^1\times {\mathrm{3671}}^1$

素因数の和:3758

約数の個数: 32

約数和(自身を含む): 39128832

約数和(自身を除く): 20370022

約数列:

[1, 2, 5, 7, 10, 14, 35, 70, 73, 146, 365, 511, 730, 1022, 2555, 3671, 5110, 7342, 18355, 25697, 36710, 51394, 128485, 256970, 267983, 535966, 1339915, 1875881, 2679830, 3751762, 9379405, 18758810]

約数ペア:

[(1, 18758810), (2, 9379405), (5, 3751762), (7, 2679830), (10, 1875881), (14, 1339915), (35, 535966), (70, 267983), (73, 256970), (146, 128485), (365, 51394), (511, 36710), (730, 25697), (1022, 18355), (2555, 7342), (3671, 5110)]