19877604

素因数分解:

$2^2\times 3^1\times {\mathrm{107}}^1\times {\mathrm{113}}^1\times {\mathrm{137}}^1$

素因数の和:364

約数の個数: 48

約数和(自身を含む): 47573568

約数和(自身を除く): 27695964

約数列:

[1, 2, 3, 4, 6, 12, 107, 113, 137, 214, 226, 274, 321, 339, 411, 428, 452, 548, 642, 678, 822, 1284, 1356, 1644, 12091, 14659, 15481, 24182, 29318, 30962, 36273, 43977, 46443, 48364, 58636, 61924, 72546, 87954, 92886, 145092, 175908, 185772, 1656467, 3312934, 4969401, 6625868, 9938802, 19877604]

約数ペア:

[(1, 19877604), (2, 9938802), (3, 6625868), (4, 4969401), (6, 3312934), (12, 1656467), (107, 185772), (113, 175908), (137, 145092), (214, 92886), (226, 87954), (274, 72546), (321, 61924), (339, 58636), (411, 48364), (428, 46443), (452, 43977), (548, 36273), (642, 30962), (678, 29318), (822, 24182), (1284, 15481), (1356, 14659), (1644, 12091)]