18907035

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{7829}}^1$

素因数の和:7867

約数の個数: 32

約数和(自身を含む): 36080640

約数和(自身を除く): 17173605

約数列:

[1, 3, 5, 7, 15, 21, 23, 35, 69, 105, 115, 161, 345, 483, 805, 2415, 7829, 23487, 39145, 54803, 117435, 164409, 180067, 274015, 540201, 822045, 900335, 1260469, 2701005, 3781407, 6302345, 18907035]

約数ペア:

[(1, 18907035), (3, 6302345), (5, 3781407), (7, 2701005), (15, 1260469), (21, 900335), (23, 822045), (35, 540201), (69, 274015), (105, 180067), (115, 164409), (161, 117435), (345, 54803), (483, 39145), (805, 23487), (2415, 7829)]