18862035

素因数分解:

$3^1\times 5^1\times {\mathrm{29}}^1\times {\mathrm{131}}^1\times {\mathrm{331}}^1$

素因数の和:499

約数の個数: 32

約数和(自身を含む): 31553280

約数和(自身を除く): 12691245

約数列:

[1, 3, 5, 15, 29, 87, 131, 145, 331, 393, 435, 655, 993, 1655, 1965, 3799, 4965, 9599, 11397, 18995, 28797, 43361, 47995, 56985, 130083, 143985, 216805, 650415, 1257469, 3772407, 6287345, 18862035]

約数ペア:

[(1, 18862035), (3, 6287345), (5, 3772407), (15, 1257469), (29, 650415), (87, 216805), (131, 143985), (145, 130083), (331, 56985), (393, 47995), (435, 43361), (655, 28797), (993, 18995), (1655, 11397), (1965, 9599), (3799, 4965)]