18531825

素因数分解:

$3^1\times 5^2\times {\mathrm{13}}^1\times {\mathrm{83}}^1\times {\mathrm{229}}^1$

素因数の和:338

約数の個数: 48

約数和(自身を含む): 33539520

約数和(自身を除く): 15007695

約数列:

[1, 3, 5, 13, 15, 25, 39, 65, 75, 83, 195, 229, 249, 325, 415, 687, 975, 1079, 1145, 1245, 2075, 2977, 3237, 3435, 5395, 5725, 6225, 8931, 14885, 16185, 17175, 19007, 26975, 44655, 57021, 74425, 80925, 95035, 223275, 247091, 285105, 475175, 741273, 1235455, 1425525, 3706365, 6177275, 18531825]

約数ペア:

[(1, 18531825), (3, 6177275), (5, 3706365), (13, 1425525), (15, 1235455), (25, 741273), (39, 475175), (65, 285105), (75, 247091), (83, 223275), (195, 95035), (229, 80925), (249, 74425), (325, 57021), (415, 44655), (687, 26975), (975, 19007), (1079, 17175), (1145, 16185), (1245, 14885), (2075, 8931), (2977, 6225), (3237, 5725), (3435, 5395)]