19992012152

素因数分解:

$2^3\times 7^2\times {\mathrm{137}}^1\times {\mathrm{372263}}^1$

素因数の和:372420

約数の個数: 48

約数和(自身を含む): 43923429360

約数和(自身を除く): 23931417208

約数列:

[1, 2, 4, 7, 8, 14, 28, 49, 56, 98, 137, 196, 274, 392, 548, 959, 1096, 1918, 3836, 6713, 7672, 13426, 26852, 53704, 372263, 744526, 1489052, 2605841, 2978104, 5211682, 10423364, 18240887, 20846728, 36481774, 51000031, 72963548, 102000062, 145927096, 204000124, 357000217, 408000248, 714000434, 1428000868, 2499001519, 2856001736, 4998003038, 9996006076, 19992012152]

約数ペア:

[(1, 19992012152), (2, 9996006076), (4, 4998003038), (7, 2856001736), (8, 2499001519), (14, 1428000868), (28, 714000434), (49, 408000248), (56, 357000217), (98, 204000124), (137, 145927096), (196, 102000062), (274, 72963548), (392, 51000031), (548, 36481774), (959, 20846728), (1096, 18240887), (1918, 10423364), (3836, 5211682), (6713, 2978104), (7672, 2605841), (13426, 1489052), (26852, 744526), (53704, 372263)]