19865430

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{16979}}^1$

素因数の和:17005

約数の個数: 48

約数和(自身を含む): 55626480

約数和(自身を除く): 35761050

約数列:

[1, 2, 3, 5, 6, 9, 10, 13, 15, 18, 26, 30, 39, 45, 65, 78, 90, 117, 130, 195, 234, 390, 585, 1170, 16979, 33958, 50937, 84895, 101874, 152811, 169790, 220727, 254685, 305622, 441454, 509370, 662181, 764055, 1103635, 1324362, 1528110, 1986543, 2207270, 3310905, 3973086, 6621810, 9932715, 19865430]

約数ペア:

[(1, 19865430), (2, 9932715), (3, 6621810), (5, 3973086), (6, 3310905), (9, 2207270), (10, 1986543), (13, 1528110), (15, 1324362), (18, 1103635), (26, 764055), (30, 662181), (39, 509370), (45, 441454), (65, 305622), (78, 254685), (90, 220727), (117, 169790), (130, 152811), (195, 101874), (234, 84895), (390, 50937), (585, 33958), (1170, 16979)]