19817461

素因数分解:

${\mathrm{17}}^1\times {\mathrm{67}}^1\times {\mathrm{127}}^1\times {\mathrm{137}}^1$

素因数の和:348

約数の個数: 16

約数和(自身を含む): 21620736

約数和(自身を除く): 1803275

約数列:

[1, 17, 67, 127, 137, 1139, 2159, 2329, 8509, 9179, 17399, 144653, 156043, 295783, 1165733, 19817461]

約数ペア:

[(1, 19817461), (17, 1165733), (67, 295783), (127, 156043), (137, 144653), (1139, 17399), (2159, 9179), (2329, 8509)]