19155760

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{113}}^1\times {\mathrm{163}}^1$

素因数の和:302

約数の個数: 80

約数和(自身を含む): 48684384

約数和(自身を除く): 29528624

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 40, 52, 65, 80, 104, 113, 130, 163, 208, 226, 260, 326, 452, 520, 565, 652, 815, 904, 1040, 1130, 1304, 1469, 1630, 1808, 2119, 2260, 2608, 2938, 3260, 4238, 4520, 5876, 6520, 7345, 8476, 9040, 10595, 11752, 13040, 14690, 16952, 18419, 21190, 23504, 29380, 33904, 36838, 42380, 58760, 73676, 84760, 92095, 117520, 147352, 169520, 184190, 239447, 294704, 368380, 478894, 736760, 957788, 1197235, 1473520, 1915576, 2394470, 3831152, 4788940, 9577880, 19155760]

約数ペア:

[(1, 19155760), (2, 9577880), (4, 4788940), (5, 3831152), (8, 2394470), (10, 1915576), (13, 1473520), (16, 1197235), (20, 957788), (26, 736760), (40, 478894), (52, 368380), (65, 294704), (80, 239447), (104, 184190), (113, 169520), (130, 147352), (163, 117520), (208, 92095), (226, 84760), (260, 73676), (326, 58760), (452, 42380), (520, 36838), (565, 33904), (652, 29380), (815, 23504), (904, 21190), (1040, 18419), (1130, 16952), (1304, 14690), (1469, 13040), (1630, 11752), (1808, 10595), (2119, 9040), (2260, 8476), (2608, 7345), (2938, 6520), (3260, 5876), (4238, 4520)]