18891109616

素因数分解:

$2^4\times {\mathrm{23}}^1\times {\mathrm{4159}}^1\times {\mathrm{12343}}^1$

素因数の和:16533

約数の個数: 40

約数和(自身を含む): 38205173760

約数和(自身を除く): 19314064144

約数列:

[1, 2, 4, 8, 16, 23, 46, 92, 184, 368, 4159, 8318, 12343, 16636, 24686, 33272, 49372, 66544, 95657, 98744, 191314, 197488, 283889, 382628, 567778, 765256, 1135556, 1530512, 2271112, 4542224, 51334537, 102669074, 205338148, 410676296, 821352592, 1180694351, 2361388702, 4722777404, 9445554808, 18891109616]

約数ペア:

[(1, 18891109616), (2, 9445554808), (4, 4722777404), (8, 2361388702), (16, 1180694351), (23, 821352592), (46, 410676296), (92, 205338148), (184, 102669074), (368, 51334537), (4159, 4542224), (8318, 2271112), (12343, 1530512), (16636, 1135556), (24686, 765256), (33272, 567778), (49372, 382628), (66544, 283889), (95657, 197488), (98744, 191314)]