18812242

素因数分解:

$2^1\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{43}}^1\times {\mathrm{397}}^1$

素因数の和:490

約数の個数: 32

約数和(自身を含む): 31521600

約数和(自身を除く): 12709358

約数列:

[1, 2, 19, 29, 38, 43, 58, 86, 397, 551, 794, 817, 1102, 1247, 1634, 2494, 7543, 11513, 15086, 17071, 23026, 23693, 34142, 47386, 218747, 324349, 437494, 495059, 648698, 990118, 9406121, 18812242]

約数ペア:

[(1, 18812242), (2, 9406121), (19, 990118), (29, 648698), (38, 495059), (43, 437494), (58, 324349), (86, 218747), (397, 47386), (551, 34142), (794, 23693), (817, 23026), (1102, 17071), (1247, 15086), (1634, 11513), (2494, 7543)]