19700656

素因数分解:

$2^4\times {\mathrm{73}}^1\times {\mathrm{101}}^1\times {\mathrm{167}}^1$

素因数の和:349

約数の個数: 40

約数和(自身を含む): 39309984

約数和(自身を除く): 19609328

約数列:

[1, 2, 4, 8, 16, 73, 101, 146, 167, 202, 292, 334, 404, 584, 668, 808, 1168, 1336, 1616, 2672, 7373, 12191, 14746, 16867, 24382, 29492, 33734, 48764, 58984, 67468, 97528, 117968, 134936, 195056, 269872, 1231291, 2462582, 4925164, 9850328, 19700656]

約数ペア:

[(1, 19700656), (2, 9850328), (4, 4925164), (8, 2462582), (16, 1231291), (73, 269872), (101, 195056), (146, 134936), (167, 117968), (202, 97528), (292, 67468), (334, 58984), (404, 48764), (584, 33734), (668, 29492), (808, 24382), (1168, 16867), (1336, 14746), (1616, 12191), (2672, 7373)]