19839240

素因数分解:

$2^3\times 3^2\times 5^1\times {\mathrm{55109}}^1$

素因数の和:55126

約数の個数: 48

約数和(自身を含む): 64478700

約数和(自身を除く): 44639460

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 30, 36, 40, 45, 60, 72, 90, 120, 180, 360, 55109, 110218, 165327, 220436, 275545, 330654, 440872, 495981, 551090, 661308, 826635, 991962, 1102180, 1322616, 1653270, 1983924, 2204360, 2479905, 3306540, 3967848, 4959810, 6613080, 9919620, 19839240]

約数ペア:

[(1, 19839240), (2, 9919620), (3, 6613080), (4, 4959810), (5, 3967848), (6, 3306540), (8, 2479905), (9, 2204360), (10, 1983924), (12, 1653270), (15, 1322616), (18, 1102180), (20, 991962), (24, 826635), (30, 661308), (36, 551090), (40, 495981), (45, 440872), (60, 330654), (72, 275545), (90, 220436), (120, 165327), (180, 110218), (360, 55109)]