19873714

素因数分解:

$2^1\times 7^2\times {\mathrm{17}}^1\times {\mathrm{79}}^1\times {\mathrm{151}}^1$

素因数の和:263

約数の個数: 48

約数和(自身を含む): 37428480

約数和(自身を除く): 17554766

約数列:

[1, 2, 7, 14, 17, 34, 49, 79, 98, 119, 151, 158, 238, 302, 553, 833, 1057, 1106, 1343, 1666, 2114, 2567, 2686, 3871, 5134, 7399, 7742, 9401, 11929, 14798, 17969, 18802, 23858, 35938, 65807, 83503, 125783, 131614, 167006, 202793, 251566, 405586, 584521, 1169042, 1419551, 2839102, 9936857, 19873714]

約数ペア:

[(1, 19873714), (2, 9936857), (7, 2839102), (14, 1419551), (17, 1169042), (34, 584521), (49, 405586), (79, 251566), (98, 202793), (119, 167006), (151, 131614), (158, 125783), (238, 83503), (302, 65807), (553, 35938), (833, 23858), (1057, 18802), (1106, 17969), (1343, 14798), (1666, 11929), (2114, 9401), (2567, 7742), (2686, 7399), (3871, 5134)]