19618846

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{101}}^1\times {\mathrm{241}}^1$

素因数の和:388

約数の個数: 32

約数和(自身を含む): 33175296

約数和(自身を除く): 13556450

約数列:

[1, 2, 13, 26, 31, 62, 101, 202, 241, 403, 482, 806, 1313, 2626, 3131, 3133, 6262, 6266, 7471, 14942, 24341, 40703, 48682, 81406, 97123, 194246, 316433, 632866, 754571, 1509142, 9809423, 19618846]

約数ペア:

[(1, 19618846), (2, 9809423), (13, 1509142), (26, 754571), (31, 632866), (62, 316433), (101, 194246), (202, 97123), (241, 81406), (403, 48682), (482, 40703), (806, 24341), (1313, 14942), (2626, 7471), (3131, 6266), (3133, 6262)]