19890858

素因数分解:

$2^1\times 3^1\times {\mathrm{13}}^1\times {\mathrm{271}}^1\times {\mathrm{941}}^1$

素因数の和:1230

約数の個数: 32

約数和(自身を含む): 43045632

約数和(自身を除く): 23154774

約数列:

[1, 2, 3, 6, 13, 26, 39, 78, 271, 542, 813, 941, 1626, 1882, 2823, 3523, 5646, 7046, 10569, 12233, 21138, 24466, 36699, 73398, 255011, 510022, 765033, 1530066, 3315143, 6630286, 9945429, 19890858]

約数ペア:

[(1, 19890858), (2, 9945429), (3, 6630286), (6, 3315143), (13, 1530066), (26, 765033), (39, 510022), (78, 255011), (271, 73398), (542, 36699), (813, 24466), (941, 21138), (1626, 12233), (1882, 10569), (2823, 7046), (3523, 5646)]