19979488

素因数分解:

$2^5\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{1933}}^1$

素因数の和:1979

約数の個数: 48

約数和(自身を含む): 43863120

約数和(自身を除く): 23883632

約数列:

[1, 2, 4, 8, 16, 17, 19, 32, 34, 38, 68, 76, 136, 152, 272, 304, 323, 544, 608, 646, 1292, 1933, 2584, 3866, 5168, 7732, 10336, 15464, 30928, 32861, 36727, 61856, 65722, 73454, 131444, 146908, 262888, 293816, 525776, 587632, 624359, 1051552, 1175264, 1248718, 2497436, 4994872, 9989744, 19979488]

約数ペア:

[(1, 19979488), (2, 9989744), (4, 4994872), (8, 2497436), (16, 1248718), (17, 1175264), (19, 1051552), (32, 624359), (34, 587632), (38, 525776), (68, 293816), (76, 262888), (136, 146908), (152, 131444), (272, 73454), (304, 65722), (323, 61856), (544, 36727), (608, 32861), (646, 30928), (1292, 15464), (1933, 10336), (2584, 7732), (3866, 5168)]