19932406

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{157}}^1\times {\mathrm{257}}^1$

素因数の和:448

約数の個数: 32

約数和(自身を含む): 34241760

約数和(自身を除く): 14309354

約数列:

[1, 2, 13, 19, 26, 38, 157, 247, 257, 314, 494, 514, 2041, 2983, 3341, 4082, 4883, 5966, 6682, 9766, 38779, 40349, 63479, 77558, 80698, 126958, 524537, 766631, 1049074, 1533262, 9966203, 19932406]

約数ペア:

[(1, 19932406), (2, 9966203), (13, 1533262), (19, 1049074), (26, 766631), (38, 524537), (157, 126958), (247, 80698), (257, 77558), (314, 63479), (494, 40349), (514, 38779), (2041, 9766), (2983, 6682), (3341, 5966), (4082, 4883)]