1820884

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{19}}^2\times {\mathrm{97}}^1$

素因数の和:152

約数の個数: 36

約数和(自身を含む): 3659124

約数和(自身を除く): 1838240

約数列:

[1, 2, 4, 13, 19, 26, 38, 52, 76, 97, 194, 247, 361, 388, 494, 722, 988, 1261, 1444, 1843, 2522, 3686, 4693, 5044, 7372, 9386, 18772, 23959, 35017, 47918, 70034, 95836, 140068, 455221, 910442, 1820884]

約数ペア:

[(1, 1820884), (2, 910442), (4, 455221), (13, 140068), (19, 95836), (26, 70034), (38, 47918), (52, 35017), (76, 23959), (97, 18772), (194, 9386), (247, 7372), (361, 5044), (388, 4693), (494, 3686), (722, 2522), (988, 1843), (1261, 1444)]