18564476

素因数分解:

$2^2\times 7^1\times {\mathrm{17}}^1\times {\mathrm{43}}^1\times {\mathrm{907}}^1$

素因数の和:978

約数の個数: 48

約数和(自身を含む): 40271616

約数和(自身を除く): 21707140

約数列:

[1, 2, 4, 7, 14, 17, 28, 34, 43, 68, 86, 119, 172, 238, 301, 476, 602, 731, 907, 1204, 1462, 1814, 2924, 3628, 5117, 6349, 10234, 12698, 15419, 20468, 25396, 30838, 39001, 61676, 78002, 107933, 156004, 215866, 273007, 431732, 546014, 663017, 1092028, 1326034, 2652068, 4641119, 9282238, 18564476]

約数ペア:

[(1, 18564476), (2, 9282238), (4, 4641119), (7, 2652068), (14, 1326034), (17, 1092028), (28, 663017), (34, 546014), (43, 431732), (68, 273007), (86, 215866), (119, 156004), (172, 107933), (238, 78002), (301, 61676), (476, 39001), (602, 30838), (731, 25396), (907, 20468), (1204, 15419), (1462, 12698), (1814, 10234), (2924, 6349), (3628, 5117)]