17820556

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{1061}}^1$

素因数の和:1114

約数の個数: 48

約数和(自身を含む): 37467360

約数和(自身を除く): 19646804

約数列:

[1, 2, 4, 13, 17, 19, 26, 34, 38, 52, 68, 76, 221, 247, 323, 442, 494, 646, 884, 988, 1061, 1292, 2122, 4199, 4244, 8398, 13793, 16796, 18037, 20159, 27586, 36074, 40318, 55172, 72148, 80636, 234481, 262067, 342703, 468962, 524134, 685406, 937924, 1048268, 1370812, 4455139, 8910278, 17820556]

約数ペア:

[(1, 17820556), (2, 8910278), (4, 4455139), (13, 1370812), (17, 1048268), (19, 937924), (26, 685406), (34, 524134), (38, 468962), (52, 342703), (68, 262067), (76, 234481), (221, 80636), (247, 72148), (323, 55172), (442, 40318), (494, 36074), (646, 27586), (884, 20159), (988, 18037), (1061, 16796), (1292, 13793), (2122, 8398), (4199, 4244)]