19954328

素因数分解:

$2^3\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{4733}}^1$

素因数の和:4787

約数の個数: 32

約数和(自身を含む): 40901760

約数和(自身を除く): 20947432

約数列:

[1, 2, 4, 8, 17, 31, 34, 62, 68, 124, 136, 248, 527, 1054, 2108, 4216, 4733, 9466, 18932, 37864, 80461, 146723, 160922, 293446, 321844, 586892, 643688, 1173784, 2494291, 4988582, 9977164, 19954328]

約数ペア:

[(1, 19954328), (2, 9977164), (4, 4988582), (8, 2494291), (17, 1173784), (31, 643688), (34, 586892), (62, 321844), (68, 293446), (124, 160922), (136, 146723), (248, 80461), (527, 37864), (1054, 18932), (2108, 9466), (4216, 4733)]