19846380

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{53}}^1\times {\mathrm{79}}^2$

素因数の和:223

約数の個数: 72

約数和(自身を含む): 57344112

約数和(自身を除く): 37497732

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 53, 60, 79, 106, 158, 159, 212, 237, 265, 316, 318, 395, 474, 530, 636, 790, 795, 948, 1060, 1185, 1580, 1590, 2370, 3180, 4187, 4740, 6241, 8374, 12482, 12561, 16748, 18723, 20935, 24964, 25122, 31205, 37446, 41870, 50244, 62410, 62805, 74892, 83740, 93615, 124820, 125610, 187230, 251220, 330773, 374460, 661546, 992319, 1323092, 1653865, 1984638, 3307730, 3969276, 4961595, 6615460, 9923190, 19846380]

約数ペア:

[(1, 19846380), (2, 9923190), (3, 6615460), (4, 4961595), (5, 3969276), (6, 3307730), (10, 1984638), (12, 1653865), (15, 1323092), (20, 992319), (30, 661546), (53, 374460), (60, 330773), (79, 251220), (106, 187230), (158, 125610), (159, 124820), (212, 93615), (237, 83740), (265, 74892), (316, 62805), (318, 62410), (395, 50244), (474, 41870), (530, 37446), (636, 31205), (790, 25122), (795, 24964), (948, 20935), (1060, 18723), (1185, 16748), (1580, 12561), (1590, 12482), (2370, 8374), (3180, 6241), (4187, 4740)]