19095520

素因数分解:

$2^5\times 5^1\times {\mathrm{23}}^1\times {\mathrm{5189}}^1$

素因数の和:5227

約数の個数: 48

約数和(自身を含む): 47083680

約数和(自身を除く): 27988160

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 23, 32, 40, 46, 80, 92, 115, 160, 184, 230, 368, 460, 736, 920, 1840, 3680, 5189, 10378, 20756, 25945, 41512, 51890, 83024, 103780, 119347, 166048, 207560, 238694, 415120, 477388, 596735, 830240, 954776, 1193470, 1909552, 2386940, 3819104, 4773880, 9547760, 19095520]

約数ペア:

[(1, 19095520), (2, 9547760), (4, 4773880), (5, 3819104), (8, 2386940), (10, 1909552), (16, 1193470), (20, 954776), (23, 830240), (32, 596735), (40, 477388), (46, 415120), (80, 238694), (92, 207560), (115, 166048), (160, 119347), (184, 103780), (230, 83024), (368, 51890), (460, 41512), (736, 25945), (920, 20756), (1840, 10378), (3680, 5189)]