19713840

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{82141}}^1$

素因数の和:82157

約数の個数: 40

約数和(自身を含む): 61113648

約数和(自身を除く): 41399808

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 48, 60, 80, 120, 240, 82141, 164282, 246423, 328564, 410705, 492846, 657128, 821410, 985692, 1232115, 1314256, 1642820, 1971384, 2464230, 3285640, 3942768, 4928460, 6571280, 9856920, 19713840]

約数ペア:

[(1, 19713840), (2, 9856920), (3, 6571280), (4, 4928460), (5, 3942768), (6, 3285640), (8, 2464230), (10, 1971384), (12, 1642820), (15, 1314256), (16, 1232115), (20, 985692), (24, 821410), (30, 657128), (40, 492846), (48, 410705), (60, 328564), (80, 246423), (120, 164282), (240, 82141)]