19900188

素因数分解:

$2^2\times 3^3\times 7^1\times {\mathrm{11}}^1\times {\mathrm{2393}}^1$

素因数の和:2424

約数の個数: 96

約数和(自身を含む): 64350720

約数和(自身を除く): 44450532

約数列:

[1, 2, 3, 4, 6, 7, 9, 11, 12, 14, 18, 21, 22, 27, 28, 33, 36, 42, 44, 54, 63, 66, 77, 84, 99, 108, 126, 132, 154, 189, 198, 231, 252, 297, 308, 378, 396, 462, 594, 693, 756, 924, 1188, 1386, 2079, 2393, 2772, 4158, 4786, 7179, 8316, 9572, 14358, 16751, 21537, 26323, 28716, 33502, 43074, 50253, 52646, 64611, 67004, 78969, 86148, 100506, 105292, 129222, 150759, 157938, 184261, 201012, 236907, 258444, 301518, 315876, 368522, 452277, 473814, 552783, 603036, 710721, 737044, 904554, 947628, 1105566, 1421442, 1658349, 1809108, 2211132, 2842884, 3316698, 4975047, 6633396, 9950094, 19900188]

約数ペア:

[(1, 19900188), (2, 9950094), (3, 6633396), (4, 4975047), (6, 3316698), (7, 2842884), (9, 2211132), (11, 1809108), (12, 1658349), (14, 1421442), (18, 1105566), (21, 947628), (22, 904554), (27, 737044), (28, 710721), (33, 603036), (36, 552783), (42, 473814), (44, 452277), (54, 368522), (63, 315876), (66, 301518), (77, 258444), (84, 236907), (99, 201012), (108, 184261), (126, 157938), (132, 150759), (154, 129222), (189, 105292), (198, 100506), (231, 86148), (252, 78969), (297, 67004), (308, 64611), (378, 52646), (396, 50253), (462, 43074), (594, 33502), (693, 28716), (756, 26323), (924, 21537), (1188, 16751), (1386, 14358), (2079, 9572), (2393, 8316), (2772, 7179), (4158, 4786)]