201818190

素因数分解:

$2^1\times 3^1\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{50581}}^1$

素因数の和:50617

約数の個数: 64

約数和(自身を含む): 582704640

約数和(自身を除く): 380886450

約数列:

[1, 2, 3, 5, 6, 7, 10, 14, 15, 19, 21, 30, 35, 38, 42, 57, 70, 95, 105, 114, 133, 190, 210, 266, 285, 399, 570, 665, 798, 1330, 1995, 3990, 50581, 101162, 151743, 252905, 303486, 354067, 505810, 708134, 758715, 961039, 1062201, 1517430, 1770335, 1922078, 2124402, 2883117, 3540670, 4805195, 5311005, 5766234, 6727273, 9610390, 10622010, 13454546, 14415585, 20181819, 28831170, 33636365, 40363638, 67272730, 100909095, 201818190]

約数ペア:

[(1, 201818190), (2, 100909095), (3, 67272730), (5, 40363638), (6, 33636365), (7, 28831170), (10, 20181819), (14, 14415585), (15, 13454546), (19, 10622010), (21, 9610390), (30, 6727273), (35, 5766234), (38, 5311005), (42, 4805195), (57, 3540670), (70, 2883117), (95, 2124402), (105, 1922078), (114, 1770335), (133, 1517430), (190, 1062201), (210, 961039), (266, 758715), (285, 708134), (399, 505810), (570, 354067), (665, 303486), (798, 252905), (1330, 151743), (1995, 101162), (3990, 50581)]