18128955

素因数分解:

$3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{2999}}^1$

素因数の和:3051

約数の個数: 32

約数和(自身を含む): 32256000

約数和(自身を除く): 14127045

約数列:

[1, 3, 5, 13, 15, 31, 39, 65, 93, 155, 195, 403, 465, 1209, 2015, 2999, 6045, 8997, 14995, 38987, 44985, 92969, 116961, 194935, 278907, 464845, 584805, 1208597, 1394535, 3625791, 6042985, 18128955]

約数ペア:

[(1, 18128955), (3, 6042985), (5, 3625791), (13, 1394535), (15, 1208597), (31, 584805), (39, 464845), (65, 278907), (93, 194935), (155, 116961), (195, 92969), (403, 44985), (465, 38987), (1209, 14995), (2015, 8997), (2999, 6045)]