19431720

素因数分解:

$2^3\times 3^2\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{701}}^1$

素因数の和:736

約数の個数: 192

約数和(自身を含む): 78848640

約数和(自身を除く): 59416920

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 14, 15, 18, 20, 21, 22, 24, 28, 30, 33, 35, 36, 40, 42, 44, 45, 55, 56, 60, 63, 66, 70, 72, 77, 84, 88, 90, 99, 105, 110, 120, 126, 132, 140, 154, 165, 168, 180, 198, 210, 220, 231, 252, 264, 280, 308, 315, 330, 360, 385, 396, 420, 440, 462, 495, 504, 616, 630, 660, 693, 701, 770, 792, 840, 924, 990, 1155, 1260, 1320, 1386, 1402, 1540, 1848, 1980, 2103, 2310, 2520, 2772, 2804, 3080, 3465, 3505, 3960, 4206, 4620, 4907, 5544, 5608, 6309, 6930, 7010, 7711, 8412, 9240, 9814, 10515, 12618, 13860, 14020, 14721, 15422, 16824, 19628, 21030, 23133, 24535, 25236, 27720, 28040, 29442, 30844, 31545, 38555, 39256, 42060, 44163, 46266, 49070, 50472, 53977, 58884, 61688, 63090, 69399, 73605, 77110, 84120, 88326, 92532, 98140, 107954, 115665, 117768, 126180, 138798, 147210, 154220, 161931, 176652, 185064, 196280, 215908, 220815, 231330, 252360, 269885, 277596, 294420, 308440, 323862, 346995, 353304, 431816, 441630, 462660, 485793, 539770, 555192, 588840, 647724, 693990, 809655, 883260, 925320, 971586, 1079540, 1295448, 1387980, 1619310, 1766520, 1943172, 2159080, 2428965, 2775960, 3238620, 3886344, 4857930, 6477240, 9715860, 19431720]

約数ペア:

[(1, 19431720), (2, 9715860), (3, 6477240), (4, 4857930), (5, 3886344), (6, 3238620), (7, 2775960), (8, 2428965), (9, 2159080), (10, 1943172), (11, 1766520), (12, 1619310), (14, 1387980), (15, 1295448), (18, 1079540), (20, 971586), (21, 925320), (22, 883260), (24, 809655), (28, 693990), (30, 647724), (33, 588840), (35, 555192), (36, 539770), (40, 485793), (42, 462660), (44, 441630), (45, 431816), (55, 353304), (56, 346995), (60, 323862), (63, 308440), (66, 294420), (70, 277596), (72, 269885), (77, 252360), (84, 231330), (88, 220815), (90, 215908), (99, 196280), (105, 185064), (110, 176652), (120, 161931), (126, 154220), (132, 147210), (140, 138798), (154, 126180), (165, 117768), (168, 115665), (180, 107954), (198, 98140), (210, 92532), (220, 88326), (231, 84120), (252, 77110), (264, 73605), (280, 69399), (308, 63090), (315, 61688), (330, 58884), (360, 53977), (385, 50472), (396, 49070), (420, 46266), (440, 44163), (462, 42060), (495, 39256), (504, 38555), (616, 31545), (630, 30844), (660, 29442), (693, 28040), (701, 27720), (770, 25236), (792, 24535), (840, 23133), (924, 21030), (990, 19628), (1155, 16824), (1260, 15422), (1320, 14721), (1386, 14020), (1402, 13860), (1540, 12618), (1848, 10515), (1980, 9814), (2103, 9240), (2310, 8412), (2520, 7711), (2772, 7010), (2804, 6930), (3080, 6309), (3465, 5608), (3505, 5544), (3960, 4907), (4206, 4620)]