19139040

素因数分解:

$2^5\times 3^2\times 5^1\times {\mathrm{13291}}^1$

素因数の和:13312

約数の個数: 72

約数和(自身を含む): 65316888

約数和(自身を除く): 46177848

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 32, 36, 40, 45, 48, 60, 72, 80, 90, 96, 120, 144, 160, 180, 240, 288, 360, 480, 720, 1440, 13291, 26582, 39873, 53164, 66455, 79746, 106328, 119619, 132910, 159492, 199365, 212656, 239238, 265820, 318984, 398730, 425312, 478476, 531640, 598095, 637968, 797460, 956952, 1063280, 1196190, 1275936, 1594920, 1913904, 2126560, 2392380, 3189840, 3827808, 4784760, 6379680, 9569520, 19139040]

約数ペア:

[(1, 19139040), (2, 9569520), (3, 6379680), (4, 4784760), (5, 3827808), (6, 3189840), (8, 2392380), (9, 2126560), (10, 1913904), (12, 1594920), (15, 1275936), (16, 1196190), (18, 1063280), (20, 956952), (24, 797460), (30, 637968), (32, 598095), (36, 531640), (40, 478476), (45, 425312), (48, 398730), (60, 318984), (72, 265820), (80, 239238), (90, 212656), (96, 199365), (120, 159492), (144, 132910), (160, 119619), (180, 106328), (240, 79746), (288, 66455), (360, 53164), (480, 39873), (720, 26582), (1440, 13291)]