19366948016

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{163}}^1\times {\mathrm{571229}}^1$

素因数の和:571413

約数の個数: 40

約数和(自身を含む): 40657866480

約数和(自身を除く): 21290918464

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 104, 163, 208, 326, 652, 1304, 2119, 2608, 4238, 8476, 16952, 33904, 571229, 1142458, 2284916, 4569832, 7425977, 9139664, 14851954, 29703908, 59407816, 93110327, 118815632, 186220654, 372441308, 744882616, 1210434251, 1489765232, 2420868502, 4841737004, 9683474008, 19366948016]

約数ペア:

[(1, 19366948016), (2, 9683474008), (4, 4841737004), (8, 2420868502), (13, 1489765232), (16, 1210434251), (26, 744882616), (52, 372441308), (104, 186220654), (163, 118815632), (208, 93110327), (326, 59407816), (652, 29703908), (1304, 14851954), (2119, 9139664), (2608, 7425977), (4238, 4569832), (8476, 2284916), (16952, 1142458), (33904, 571229)]