1668791812

素因数分解:

$2^2\times {\mathrm{19}}^2\times {\mathrm{619}}^1\times {\mathrm{1867}}^1$

素因数の和:2528

約数の個数: 36

約数和(自身を含む): 3088812720

約数和(自身を除く): 1420020908

約数列:

[1, 2, 4, 19, 38, 76, 361, 619, 722, 1238, 1444, 1867, 2476, 3734, 7468, 11761, 23522, 35473, 47044, 70946, 141892, 223459, 446918, 673987, 893836, 1155673, 1347974, 2311346, 2695948, 4622692, 21957787, 43915574, 87831148, 417197953, 834395906, 1668791812]

約数ペア:

[(1, 1668791812), (2, 834395906), (4, 417197953), (19, 87831148), (38, 43915574), (76, 21957787), (361, 4622692), (619, 2695948), (722, 2311346), (1238, 1347974), (1444, 1155673), (1867, 893836), (2476, 673987), (3734, 446918), (7468, 223459), (11761, 141892), (23522, 70946), (35473, 47044)]