19353440

素因数分解:

$2^5\times 5^1\times {\mathrm{29}}^1\times {\mathrm{43}}^1\times {\mathrm{97}}^1$

素因数の和:184

約数の個数: 96

約数和(自身を含む): 48898080

約数和(自身を除く): 29544640

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 29, 32, 40, 43, 58, 80, 86, 97, 116, 145, 160, 172, 194, 215, 232, 290, 344, 388, 430, 464, 485, 580, 688, 776, 860, 928, 970, 1160, 1247, 1376, 1552, 1720, 1940, 2320, 2494, 2813, 3104, 3440, 3880, 4171, 4640, 4988, 5626, 6235, 6880, 7760, 8342, 9976, 11252, 12470, 14065, 15520, 16684, 19952, 20855, 22504, 24940, 28130, 33368, 39904, 41710, 45008, 49880, 56260, 66736, 83420, 90016, 99760, 112520, 120959, 133472, 166840, 199520, 225040, 241918, 333680, 450080, 483836, 604795, 667360, 967672, 1209590, 1935344, 2419180, 3870688, 4838360, 9676720, 19353440]

約数ペア:

[(1, 19353440), (2, 9676720), (4, 4838360), (5, 3870688), (8, 2419180), (10, 1935344), (16, 1209590), (20, 967672), (29, 667360), (32, 604795), (40, 483836), (43, 450080), (58, 333680), (80, 241918), (86, 225040), (97, 199520), (116, 166840), (145, 133472), (160, 120959), (172, 112520), (194, 99760), (215, 90016), (232, 83420), (290, 66736), (344, 56260), (388, 49880), (430, 45008), (464, 41710), (485, 39904), (580, 33368), (688, 28130), (776, 24940), (860, 22504), (928, 20855), (970, 19952), (1160, 16684), (1247, 15520), (1376, 14065), (1552, 12470), (1720, 11252), (1940, 9976), (2320, 8342), (2494, 7760), (2813, 6880), (3104, 6235), (3440, 5626), (3880, 4988), (4171, 4640)]