18655968

素因数分解:

$2^5\times 3^1\times {\mathrm{373}}^1\times {\mathrm{521}}^1$

素因数の和:907

約数の個数: 48

約数和(自身を含む): 49197456

約数和(自身を除く): 30541488

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 24, 32, 48, 96, 373, 521, 746, 1042, 1119, 1492, 1563, 2084, 2238, 2984, 3126, 4168, 4476, 5968, 6252, 8336, 8952, 11936, 12504, 16672, 17904, 25008, 35808, 50016, 194333, 388666, 582999, 777332, 1165998, 1554664, 2331996, 3109328, 4663992, 6218656, 9327984, 18655968]

約数ペア:

[(1, 18655968), (2, 9327984), (3, 6218656), (4, 4663992), (6, 3109328), (8, 2331996), (12, 1554664), (16, 1165998), (24, 777332), (32, 582999), (48, 388666), (96, 194333), (373, 50016), (521, 35808), (746, 25008), (1042, 17904), (1119, 16672), (1492, 12504), (1563, 11936), (2084, 8952), (2238, 8336), (2984, 6252), (3126, 5968), (4168, 4476)]