19823378

素因数分解:

$2^1\times {\mathrm{23}}^1\times {\mathrm{47}}^1\times {\mathrm{53}}^1\times {\mathrm{173}}^1$

素因数の和:298

約数の個数: 32

約数和(自身を含む): 32472576

約数和(自身を除く): 12649198

約数列:

[1, 2, 23, 46, 47, 53, 94, 106, 173, 346, 1081, 1219, 2162, 2438, 2491, 3979, 4982, 7958, 8131, 9169, 16262, 18338, 57293, 114586, 187013, 210887, 374026, 421774, 430943, 861886, 9911689, 19823378]

約数ペア:

[(1, 19823378), (2, 9911689), (23, 861886), (46, 430943), (47, 421774), (53, 374026), (94, 210887), (106, 187013), (173, 114586), (346, 57293), (1081, 18338), (1219, 16262), (2162, 9169), (2438, 8131), (2491, 7958), (3979, 4982)]