19047344

素因数分解:

$2^4\times {\mathrm{17}}^1\times {\mathrm{239}}^1\times {\mathrm{293}}^1$

素因数の和:557

約数の個数: 40

約数和(自身を含む): 39372480

約数和(自身を除く): 20325136

約数列:

[1, 2, 4, 8, 16, 17, 34, 68, 136, 239, 272, 293, 478, 586, 956, 1172, 1912, 2344, 3824, 4063, 4688, 4981, 8126, 9962, 16252, 19924, 32504, 39848, 65008, 70027, 79696, 140054, 280108, 560216, 1120432, 1190459, 2380918, 4761836, 9523672, 19047344]

約数ペア:

[(1, 19047344), (2, 9523672), (4, 4761836), (8, 2380918), (16, 1190459), (17, 1120432), (34, 560216), (68, 280108), (136, 140054), (239, 79696), (272, 70027), (293, 65008), (478, 39848), (586, 32504), (956, 19924), (1172, 16252), (1912, 9962), (2344, 8126), (3824, 4981), (4063, 4688)]