19414544

素因数分解:

$2^4\times {\mathrm{17}}^1\times {\mathrm{137}}^1\times {\mathrm{521}}^1$

素因数の和:683

約数の個数: 40

約数和(自身を含む): 40196088

約数和(自身を除く): 20781544

約数列:

[1, 2, 4, 8, 16, 17, 34, 68, 136, 137, 272, 274, 521, 548, 1042, 1096, 2084, 2192, 2329, 4168, 4658, 8336, 8857, 9316, 17714, 18632, 35428, 37264, 70856, 71377, 141712, 142754, 285508, 571016, 1142032, 1213409, 2426818, 4853636, 9707272, 19414544]

約数ペア:

[(1, 19414544), (2, 9707272), (4, 4853636), (8, 2426818), (16, 1213409), (17, 1142032), (34, 571016), (68, 285508), (136, 142754), (137, 141712), (272, 71377), (274, 70856), (521, 37264), (548, 35428), (1042, 18632), (1096, 17714), (2084, 9316), (2192, 8857), (2329, 8336), (4168, 4658)]