19481891100

素因数分解:

$2^2\times 3^1\times 5^2\times 7^1\times {\mathrm{31}}^1\times {\mathrm{299261}}^1$

素因数の和:299316

約数の個数: 144

約数和(自身を含む): 66498410496

約数和(自身を除く): 47016519396

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 25, 28, 30, 31, 35, 42, 50, 60, 62, 70, 75, 84, 93, 100, 105, 124, 140, 150, 155, 175, 186, 210, 217, 300, 310, 350, 372, 420, 434, 465, 525, 620, 651, 700, 775, 868, 930, 1050, 1085, 1302, 1550, 1860, 2100, 2170, 2325, 2604, 3100, 3255, 4340, 4650, 5425, 6510, 9300, 10850, 13020, 16275, 21700, 32550, 65100, 299261, 598522, 897783, 1197044, 1496305, 1795566, 2094827, 2992610, 3591132, 4189654, 4488915, 5985220, 6284481, 7481525, 8379308, 8977830, 9277091, 10474135, 12568962, 14963050, 17955660, 18554182, 20948270, 22444575, 25137924, 27831273, 29926100, 31422405, 37108364, 41896540, 44889150, 46385455, 52370675, 55662546, 62844810, 64939637, 89778300, 92770910, 104741350, 111325092, 125689620, 129879274, 139156365, 157112025, 185541820, 194818911, 209482700, 231927275, 259758548, 278312730, 314224050, 324698185, 389637822, 463854550, 556625460, 628448100, 649396370, 695781825, 779275644, 927709100, 974094555, 1298792740, 1391563650, 1623490925, 1948189110, 2783127300, 3246981850, 3896378220, 4870472775, 6493963700, 9740945550, 19481891100]

約数ペア:

[(1, 19481891100), (2, 9740945550), (3, 6493963700), (4, 4870472775), (5, 3896378220), (6, 3246981850), (7, 2783127300), (10, 1948189110), (12, 1623490925), (14, 1391563650), (15, 1298792740), (20, 974094555), (21, 927709100), (25, 779275644), (28, 695781825), (30, 649396370), (31, 628448100), (35, 556625460), (42, 463854550), (50, 389637822), (60, 324698185), (62, 314224050), (70, 278312730), (75, 259758548), (84, 231927275), (93, 209482700), (100, 194818911), (105, 185541820), (124, 157112025), (140, 139156365), (150, 129879274), (155, 125689620), (175, 111325092), (186, 104741350), (210, 92770910), (217, 89778300), (300, 64939637), (310, 62844810), (350, 55662546), (372, 52370675), (420, 46385455), (434, 44889150), (465, 41896540), (525, 37108364), (620, 31422405), (651, 29926100), (700, 27831273), (775, 25137924), (868, 22444575), (930, 20948270), (1050, 18554182), (1085, 17955660), (1302, 14963050), (1550, 12568962), (1860, 10474135), (2100, 9277091), (2170, 8977830), (2325, 8379308), (2604, 7481525), (3100, 6284481), (3255, 5985220), (4340, 4488915), (4650, 4189654), (5425, 3591132), (6510, 2992610), (9300, 2094827), (10850, 1795566), (13020, 1496305), (16275, 1197044), (21700, 897783), (32550, 598522), (65100, 299261)]