19759760

素因数分解:

$2^4\times 5^1\times {\mathrm{23}}^1\times {\mathrm{10739}}^1$

素因数の和:10775

約数の個数: 40

約数和(自身を含む): 47943360

約数和(自身を除く): 28183600

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 23, 40, 46, 80, 92, 115, 184, 230, 368, 460, 920, 1840, 10739, 21478, 42956, 53695, 85912, 107390, 171824, 214780, 246997, 429560, 493994, 859120, 987988, 1234985, 1975976, 2469970, 3951952, 4939940, 9879880, 19759760]

約数ペア:

[(1, 19759760), (2, 9879880), (4, 4939940), (5, 3951952), (8, 2469970), (10, 1975976), (16, 1234985), (20, 987988), (23, 859120), (40, 493994), (46, 429560), (80, 246997), (92, 214780), (115, 171824), (184, 107390), (230, 85912), (368, 53695), (460, 42956), (920, 21478), (1840, 10739)]