19319976

素因数分解:

$2^3\times 3^2\times {\mathrm{13}}^1\times {\mathrm{20641}}^1$

素因数の和:20666

約数の個数: 48

約数和(自身を含む): 56352660

約数和(自身を除く): 37032684

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 13, 18, 24, 26, 36, 39, 52, 72, 78, 104, 117, 156, 234, 312, 468, 936, 20641, 41282, 61923, 82564, 123846, 165128, 185769, 247692, 268333, 371538, 495384, 536666, 743076, 804999, 1073332, 1486152, 1609998, 2146664, 2414997, 3219996, 4829994, 6439992, 9659988, 19319976]

約数ペア:

[(1, 19319976), (2, 9659988), (3, 6439992), (4, 4829994), (6, 3219996), (8, 2414997), (9, 2146664), (12, 1609998), (13, 1486152), (18, 1073332), (24, 804999), (26, 743076), (36, 536666), (39, 495384), (52, 371538), (72, 268333), (78, 247692), (104, 185769), (117, 165128), (156, 123846), (234, 82564), (312, 61923), (468, 41282), (936, 20641)]