19220320

素因数分解:

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

素因数の和:284

約数の個数: 72

約数和(自身を含む): 52294032

約数和(自身を除く): 33073712

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 56, 70, 80, 112, 131, 140, 160, 224, 262, 280, 524, 560, 655, 917, 1048, 1120, 1310, 1834, 2096, 2620, 3668, 4192, 4585, 5240, 7336, 9170, 10480, 14672, 17161, 18340, 20960, 29344, 34322, 36680, 68644, 73360, 85805, 120127, 137288, 146720, 171610, 240254, 274576, 343220, 480508, 549152, 600635, 686440, 961016, 1201270, 1372880, 1922032, 2402540, 2745760, 3844064, 4805080, 9610160, 19220320]

約数ペア:

[(1, 19220320), (2, 9610160), (4, 4805080), (5, 3844064), (7, 2745760), (8, 2402540), (10, 1922032), (14, 1372880), (16, 1201270), (20, 961016), (28, 686440), (32, 600635), (35, 549152), (40, 480508), (56, 343220), (70, 274576), (80, 240254), (112, 171610), (131, 146720), (140, 137288), (160, 120127), (224, 85805), (262, 73360), (280, 68644), (524, 36680), (560, 34322), (655, 29344), (917, 20960), (1048, 18340), (1120, 17161), (1310, 14672), (1834, 10480), (2096, 9170), (2620, 7336), (3668, 5240), (4192, 4585)]