19981845

素因数分解:

$3^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{34157}}^1$

素因数の和:34181

約数の個数: 24

約数和(自身を含む): 37300536

約数和(自身を除く): 17318691

約数列:

[1, 3, 5, 9, 13, 15, 39, 45, 65, 117, 195, 585, 34157, 102471, 170785, 307413, 444041, 512355, 1332123, 1537065, 2220205, 3996369, 6660615, 19981845]

約数ペア:

[(1, 19981845), (3, 6660615), (5, 3996369), (9, 2220205), (13, 1537065), (15, 1332123), (39, 512355), (45, 444041), (65, 307413), (117, 170785), (195, 102471), (585, 34157)]