18986367045

素因数分解:

$3^1\times 5^1\times {\mathrm{271}}^1\times {\mathrm{647}}^1\times {\mathrm{7219}}^1$

素因数の和:8145

約数の個数: 32

約数和(自身を含む): 30541639680

約数和(自身を除く): 11555272635

約数列:

[1, 3, 5, 15, 271, 647, 813, 1355, 1941, 3235, 4065, 7219, 9705, 21657, 36095, 108285, 175337, 526011, 876685, 1956349, 2630055, 4670693, 5869047, 9781745, 14012079, 23353465, 29345235, 70060395, 1265757803, 3797273409, 6328789015, 18986367045]

約数ペア:

[(1, 18986367045), (3, 6328789015), (5, 3797273409), (15, 1265757803), (271, 70060395), (647, 29345235), (813, 23353465), (1355, 14012079), (1941, 9781745), (3235, 5869047), (4065, 4670693), (7219, 2630055), (9705, 1956349), (21657, 876685), (36095, 526011), (108285, 175337)]