2018197725

素因数分解:

$3^1\times 5^2\times {\mathrm{29}}^1\times {\mathrm{509}}^1\times {\mathrm{1823}}^1$

素因数の和:2374

約数の個数: 48

約数和(自身を含む): 3460492800

約数和(自身を除く): 1442295075

約数列:

[1, 3, 5, 15, 25, 29, 75, 87, 145, 435, 509, 725, 1527, 1823, 2175, 2545, 5469, 7635, 9115, 12725, 14761, 27345, 38175, 44283, 45575, 52867, 73805, 136725, 158601, 221415, 264335, 369025, 793005, 927907, 1107075, 1321675, 2783721, 3965025, 4639535, 13918605, 23197675, 26909303, 69593025, 80727909, 134546515, 403639545, 672732575, 2018197725]

約数ペア:

[(1, 2018197725), (3, 672732575), (5, 403639545), (15, 134546515), (25, 80727909), (29, 69593025), (75, 26909303), (87, 23197675), (145, 13918605), (435, 4639535), (509, 3965025), (725, 2783721), (1527, 1321675), (1823, 1107075), (2175, 927907), (2545, 793005), (5469, 369025), (7635, 264335), (9115, 221415), (12725, 158601), (14761, 136725), (27345, 73805), (38175, 52867), (44283, 45575)]