19861380

素因数分解:

$2^2\times 3^2\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{1433}}^1$

素因数の和:1466

約数の個数: 144

約数和(自身を含む): 75164544

約数和(自身を除く): 55303164

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 11, 12, 14, 15, 18, 20, 21, 22, 28, 30, 33, 35, 36, 42, 44, 45, 55, 60, 63, 66, 70, 77, 84, 90, 99, 105, 110, 126, 132, 140, 154, 165, 180, 198, 210, 220, 231, 252, 308, 315, 330, 385, 396, 420, 462, 495, 630, 660, 693, 770, 924, 990, 1155, 1260, 1386, 1433, 1540, 1980, 2310, 2772, 2866, 3465, 4299, 4620, 5732, 6930, 7165, 8598, 10031, 12897, 13860, 14330, 15763, 17196, 20062, 21495, 25794, 28660, 30093, 31526, 40124, 42990, 47289, 50155, 51588, 60186, 63052, 64485, 78815, 85980, 90279, 94578, 100310, 110341, 120372, 128970, 141867, 150465, 157630, 180558, 189156, 200620, 220682, 236445, 257940, 283734, 300930, 315260, 331023, 361116, 441364, 451395, 472890, 551705, 567468, 601860, 662046, 709335, 902790, 945780, 993069, 1103410, 1324092, 1418670, 1655115, 1805580, 1986138, 2206820, 2837340, 3310230, 3972276, 4965345, 6620460, 9930690, 19861380]

約数ペア:

[(1, 19861380), (2, 9930690), (3, 6620460), (4, 4965345), (5, 3972276), (6, 3310230), (7, 2837340), (9, 2206820), (10, 1986138), (11, 1805580), (12, 1655115), (14, 1418670), (15, 1324092), (18, 1103410), (20, 993069), (21, 945780), (22, 902790), (28, 709335), (30, 662046), (33, 601860), (35, 567468), (36, 551705), (42, 472890), (44, 451395), (45, 441364), (55, 361116), (60, 331023), (63, 315260), (66, 300930), (70, 283734), (77, 257940), (84, 236445), (90, 220682), (99, 200620), (105, 189156), (110, 180558), (126, 157630), (132, 150465), (140, 141867), (154, 128970), (165, 120372), (180, 110341), (198, 100310), (210, 94578), (220, 90279), (231, 85980), (252, 78815), (308, 64485), (315, 63052), (330, 60186), (385, 51588), (396, 50155), (420, 47289), (462, 42990), (495, 40124), (630, 31526), (660, 30093), (693, 28660), (770, 25794), (924, 21495), (990, 20062), (1155, 17196), (1260, 15763), (1386, 14330), (1433, 13860), (1540, 12897), (1980, 10031), (2310, 8598), (2772, 7165), (2866, 6930), (3465, 5732), (4299, 4620)]