18846499

素因数分解:

$7^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{61}}^1\times {\mathrm{101}}^1$

素因数の和:211

約数の個数: 32

約数和(自身を含む): 24284160

約数和(自身を除く): 5437661

約数列:

[1, 7, 19, 23, 61, 101, 133, 161, 427, 437, 707, 1159, 1403, 1919, 2323, 3059, 6161, 8113, 9821, 13433, 16261, 26657, 43127, 44137, 117059, 141703, 186599, 308959, 819413, 991921, 2692357, 18846499]

約数ペア:

[(1, 18846499), (7, 2692357), (19, 991921), (23, 819413), (61, 308959), (101, 186599), (133, 141703), (161, 117059), (427, 44137), (437, 43127), (707, 26657), (1159, 16261), (1403, 13433), (1919, 9821), (2323, 8113), (3059, 6161)]