19575760

素因数分解:

$2^4\times 5^1\times {\mathrm{23}}^1\times {\mathrm{10639}}^1$

素因数の和:10675

約数の個数: 40

約数和(自身を含む): 47496960

約数和(自身を除く): 27921200

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 23, 40, 46, 80, 92, 115, 184, 230, 368, 460, 920, 1840, 10639, 21278, 42556, 53195, 85112, 106390, 170224, 212780, 244697, 425560, 489394, 851120, 978788, 1223485, 1957576, 2446970, 3915152, 4893940, 9787880, 19575760]

約数ペア:

[(1, 19575760), (2, 9787880), (4, 4893940), (5, 3915152), (8, 2446970), (10, 1957576), (16, 1223485), (20, 978788), (23, 851120), (40, 489394), (46, 425560), (80, 244697), (92, 212780), (115, 170224), (184, 106390), (230, 85112), (368, 53195), (460, 42556), (920, 21278), (1840, 10639)]