19848615

素因数分解:

$3^1\times 5^1\times {\mathrm{29}}^1\times {\mathrm{103}}^1\times {\mathrm{443}}^1$

素因数の和:583

約数の個数: 32

約数和(自身を含む): 33246720

約数和(自身を除く): 13398105

約数列:

[1, 3, 5, 15, 29, 87, 103, 145, 309, 435, 443, 515, 1329, 1545, 2215, 2987, 6645, 8961, 12847, 14935, 38541, 44805, 45629, 64235, 136887, 192705, 228145, 684435, 1323241, 3969723, 6616205, 19848615]

約数ペア:

[(1, 19848615), (3, 6616205), (5, 3969723), (15, 1323241), (29, 684435), (87, 228145), (103, 192705), (145, 136887), (309, 64235), (435, 45629), (443, 44805), (515, 38541), (1329, 14935), (1545, 12847), (2215, 8961), (2987, 6645)]