18996876866

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{71}}^1\times {\mathrm{109}}^1\times {\mathrm{111577}}^1$

素因数の和:111770

約数の個数: 32

約数和(自身を含む): 31813119360

約数和(自身を除く): 12816242494

約数列:

[1, 2, 11, 22, 71, 109, 142, 218, 781, 1199, 1562, 2398, 7739, 15478, 85129, 111577, 170258, 223154, 1227347, 2454694, 7921967, 12161893, 15843934, 24323786, 87141637, 133780823, 174283274, 267561646, 863494403, 1726988806, 9498438433, 18996876866]

約数ペア:

[(1, 18996876866), (2, 9498438433), (11, 1726988806), (22, 863494403), (71, 267561646), (109, 174283274), (142, 133780823), (218, 87141637), (781, 24323786), (1199, 15843934), (1562, 12161893), (2398, 7921967), (7739, 2454694), (15478, 1227347), (85129, 223154), (111577, 170258)]