19499280

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{113}}^1\times {\mathrm{719}}^1$

素因数の和:848

約数の個数: 80

約数和(自身を含む): 61067520

約数和(自身を除く): 41568240

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 48, 60, 80, 113, 120, 226, 240, 339, 452, 565, 678, 719, 904, 1130, 1356, 1438, 1695, 1808, 2157, 2260, 2712, 2876, 3390, 3595, 4314, 4520, 5424, 5752, 6780, 7190, 8628, 9040, 10785, 11504, 13560, 14380, 17256, 21570, 27120, 28760, 34512, 43140, 57520, 81247, 86280, 162494, 172560, 243741, 324988, 406235, 487482, 649976, 812470, 974964, 1218705, 1299952, 1624940, 1949928, 2437410, 3249880, 3899856, 4874820, 6499760, 9749640, 19499280]

約数ペア:

[(1, 19499280), (2, 9749640), (3, 6499760), (4, 4874820), (5, 3899856), (6, 3249880), (8, 2437410), (10, 1949928), (12, 1624940), (15, 1299952), (16, 1218705), (20, 974964), (24, 812470), (30, 649976), (40, 487482), (48, 406235), (60, 324988), (80, 243741), (113, 172560), (120, 162494), (226, 86280), (240, 81247), (339, 57520), (452, 43140), (565, 34512), (678, 28760), (719, 27120), (904, 21570), (1130, 17256), (1356, 14380), (1438, 13560), (1695, 11504), (1808, 10785), (2157, 9040), (2260, 8628), (2712, 7190), (2876, 6780), (3390, 5752), (3595, 5424), (4314, 4520)]