19005015

素因数分解:

$3^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{31}}^1\times {\mathrm{1777}}^1$

素因数の和:1839

約数の個数: 32

約数和(自身を含む): 32772096

約数和(自身を除く): 13767081

約数列:

[1, 3, 5, 15, 23, 31, 69, 93, 115, 155, 345, 465, 713, 1777, 2139, 3565, 5331, 8885, 10695, 26655, 40871, 55087, 122613, 165261, 204355, 275435, 613065, 826305, 1267001, 3801003, 6335005, 19005015]

約数ペア:

[(1, 19005015), (3, 6335005), (5, 3801003), (15, 1267001), (23, 826305), (31, 613065), (69, 275435), (93, 204355), (115, 165261), (155, 122613), (345, 55087), (465, 40871), (713, 26655), (1777, 10695), (2139, 8885), (3565, 5331)]