18287230

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{41}}^1\times {\mathrm{47}}^1\times {\mathrm{73}}^1$

素因数の和:181

約数の個数: 64

約数和(自身を含む): 37594368

約数和(自身を除く): 19307138

約数列:

[1, 2, 5, 10, 13, 26, 41, 47, 65, 73, 82, 94, 130, 146, 205, 235, 365, 410, 470, 533, 611, 730, 949, 1066, 1222, 1898, 1927, 2665, 2993, 3055, 3431, 3854, 4745, 5330, 5986, 6110, 6862, 9490, 9635, 14965, 17155, 19270, 25051, 29930, 34310, 38909, 44603, 50102, 77818, 89206, 125255, 140671, 194545, 223015, 250510, 281342, 389090, 446030, 703355, 1406710, 1828723, 3657446, 9143615, 18287230]

約数ペア:

[(1, 18287230), (2, 9143615), (5, 3657446), (10, 1828723), (13, 1406710), (26, 703355), (41, 446030), (47, 389090), (65, 281342), (73, 250510), (82, 223015), (94, 194545), (130, 140671), (146, 125255), (205, 89206), (235, 77818), (365, 50102), (410, 44603), (470, 38909), (533, 34310), (611, 29930), (730, 25051), (949, 19270), (1066, 17155), (1222, 14965), (1898, 9635), (1927, 9490), (2665, 6862), (2993, 6110), (3055, 5986), (3431, 5330), (3854, 4745)]