19595720

素因数分解:

$2^3\times 5^1\times {\mathrm{31}}^1\times {\mathrm{15803}}^1$

素因数の和:15845

約数の個数: 32

約数和(自身を含む): 45515520

約数和(自身を除く): 25919800

約数列:

[1, 2, 4, 5, 8, 10, 20, 31, 40, 62, 124, 155, 248, 310, 620, 1240, 15803, 31606, 63212, 79015, 126424, 158030, 316060, 489893, 632120, 979786, 1959572, 2449465, 3919144, 4898930, 9797860, 19595720]

約数ペア:

[(1, 19595720), (2, 9797860), (4, 4898930), (5, 3919144), (8, 2449465), (10, 1959572), (20, 979786), (31, 632120), (40, 489893), (62, 316060), (124, 158030), (155, 126424), (248, 79015), (310, 63212), (620, 31606), (1240, 15803)]