19834738

素因数分解:

$2^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{37}}^1\times {\mathrm{59}}^2$

素因数の和:175

約数の個数: 48

約数和(自身を含む): 38752704

約数和(自身を除く): 18917966

約数列:

[1, 2, 7, 11, 14, 22, 37, 59, 74, 77, 118, 154, 259, 407, 413, 518, 649, 814, 826, 1298, 2183, 2849, 3481, 4366, 4543, 5698, 6962, 9086, 15281, 24013, 24367, 30562, 38291, 48026, 48734, 76582, 128797, 168091, 257594, 268037, 336182, 536074, 901579, 1416767, 1803158, 2833534, 9917369, 19834738]

約数ペア:

[(1, 19834738), (2, 9917369), (7, 2833534), (11, 1803158), (14, 1416767), (22, 901579), (37, 536074), (59, 336182), (74, 268037), (77, 257594), (118, 168091), (154, 128797), (259, 76582), (407, 48734), (413, 48026), (518, 38291), (649, 30562), (814, 24367), (826, 24013), (1298, 15281), (2183, 9086), (2849, 6962), (3481, 5698), (4366, 4543)]