19846240

素因数分解:

$2^5\times 5^1\times {\mathrm{23}}^1\times {\mathrm{5393}}^1$

素因数の和:5431

約数の個数: 48

約数和(自身を含む): 48934368

約数和(自身を除く): 29088128

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, 5393, 10786, 21572, 26965, 43144, 53930, 86288, 107860, 124039, 172576, 215720, 248078, 431440, 496156, 620195, 862880, 992312, 1240390, 1984624, 2480780, 3969248, 4961560, 9923120, 19846240]

約数ペア:

[(1, 19846240), (2, 9923120), (4, 4961560), (5, 3969248), (8, 2480780), (10, 1984624), (16, 1240390), (20, 992312), (23, 862880), (32, 620195), (40, 496156), (46, 431440), (80, 248078), (92, 215720), (115, 172576), (160, 124039), (184, 107860), (230, 86288), (368, 53930), (460, 43144), (736, 26965), (920, 21572), (1840, 10786), (3680, 5393)]