19278810

素因数分解:

$2^1\times 3^4\times 5^1\times {\mathrm{23801}}^1$

素因数の和:23820

約数の個数: 40

約数和(自身を含む): 51840756

約数和(自身を除く): 32561946

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 27, 30, 45, 54, 81, 90, 135, 162, 270, 405, 810, 23801, 47602, 71403, 119005, 142806, 214209, 238010, 357015, 428418, 642627, 714030, 1071045, 1285254, 1927881, 2142090, 3213135, 3855762, 6426270, 9639405, 19278810]

約数ペア:

[(1, 19278810), (2, 9639405), (3, 6426270), (5, 3855762), (6, 3213135), (9, 2142090), (10, 1927881), (15, 1285254), (18, 1071045), (27, 714030), (30, 642627), (45, 428418), (54, 357015), (81, 238010), (90, 214209), (135, 142806), (162, 119005), (270, 71403), (405, 47602), (810, 23801)]