20180743419

素因数分解:

$3^1\times {\mathrm{149}}^1\times {\mathrm{157}}^1\times {\mathrm{269}}^1\times {\mathrm{1069}}^1$

素因数の和:1647

約数の個数: 32

約数和(自身を含む): 27387720000

約数和(自身を除く): 7206976581

約数列:

[1, 3, 149, 157, 269, 447, 471, 807, 1069, 3207, 23393, 40081, 42233, 70179, 120243, 126699, 159281, 167833, 287561, 477843, 503499, 862683, 6292717, 18878151, 25007117, 42846589, 45147077, 75021351, 128539767, 135441231, 6726914473, 20180743419]

約数ペア:

[(1, 20180743419), (3, 6726914473), (149, 135441231), (157, 128539767), (269, 75021351), (447, 45147077), (471, 42846589), (807, 25007117), (1069, 18878151), (3207, 6292717), (23393, 862683), (40081, 503499), (42233, 477843), (70179, 287561), (120243, 167833), (126699, 159281)]