19243920

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{181}}^1\times {\mathrm{443}}^1$

素因数の和:640

約数の個数: 80

約数和(自身を含む): 60121152

約数和(自身を除く): 40877232

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 48, 60, 80, 120, 181, 240, 362, 443, 543, 724, 886, 905, 1086, 1329, 1448, 1772, 1810, 2172, 2215, 2658, 2715, 2896, 3544, 3620, 4344, 4430, 5316, 5430, 6645, 7088, 7240, 8688, 8860, 10632, 10860, 13290, 14480, 17720, 21264, 21720, 26580, 35440, 43440, 53160, 80183, 106320, 160366, 240549, 320732, 400915, 481098, 641464, 801830, 962196, 1202745, 1282928, 1603660, 1924392, 2405490, 3207320, 3848784, 4810980, 6414640, 9621960, 19243920]

約数ペア:

[(1, 19243920), (2, 9621960), (3, 6414640), (4, 4810980), (5, 3848784), (6, 3207320), (8, 2405490), (10, 1924392), (12, 1603660), (15, 1282928), (16, 1202745), (20, 962196), (24, 801830), (30, 641464), (40, 481098), (48, 400915), (60, 320732), (80, 240549), (120, 160366), (181, 106320), (240, 80183), (362, 53160), (443, 43440), (543, 35440), (724, 26580), (886, 21720), (905, 21264), (1086, 17720), (1329, 14480), (1448, 13290), (1772, 10860), (1810, 10632), (2172, 8860), (2215, 8688), (2658, 7240), (2715, 7088), (2896, 6645), (3544, 5430), (3620, 5316), (4344, 4430)]