19761350

素因数分解:

$2^1\times 5^2\times 7^1\times {\mathrm{131}}^1\times {\mathrm{431}}^1$

素因数の和:581

約数の個数: 48

約数和(自身を含む): 42425856

約数和(自身を除く): 22664506

約数列:

[1, 2, 5, 7, 10, 14, 25, 35, 50, 70, 131, 175, 262, 350, 431, 655, 862, 917, 1310, 1834, 2155, 3017, 3275, 4310, 4585, 6034, 6550, 9170, 10775, 15085, 21550, 22925, 30170, 45850, 56461, 75425, 112922, 150850, 282305, 395227, 564610, 790454, 1411525, 1976135, 2823050, 3952270, 9880675, 19761350]

約数ペア:

[(1, 19761350), (2, 9880675), (5, 3952270), (7, 2823050), (10, 1976135), (14, 1411525), (25, 790454), (35, 564610), (50, 395227), (70, 282305), (131, 150850), (175, 112922), (262, 75425), (350, 56461), (431, 45850), (655, 30170), (862, 22925), (917, 21550), (1310, 15085), (1834, 10775), (2155, 9170), (3017, 6550), (3275, 6034), (4310, 4585)]