19983648

素因数分解:

$2^5\times 3^1\times {\mathrm{43}}^1\times {\mathrm{47}}^1\times {\mathrm{103}}^1$

素因数の和:206

約数の個数: 96

約数和(自身を含む): 55351296

約数和(自身を除く): 35367648

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 24, 32, 43, 47, 48, 86, 94, 96, 103, 129, 141, 172, 188, 206, 258, 282, 309, 344, 376, 412, 516, 564, 618, 688, 752, 824, 1032, 1128, 1236, 1376, 1504, 1648, 2021, 2064, 2256, 2472, 3296, 4042, 4128, 4429, 4512, 4841, 4944, 6063, 8084, 8858, 9682, 9888, 12126, 13287, 14523, 16168, 17716, 19364, 24252, 26574, 29046, 32336, 35432, 38728, 48504, 53148, 58092, 64672, 70864, 77456, 97008, 106296, 116184, 141728, 154912, 194016, 208163, 212592, 232368, 416326, 425184, 464736, 624489, 832652, 1248978, 1665304, 2497956, 3330608, 4995912, 6661216, 9991824, 19983648]

約数ペア:

[(1, 19983648), (2, 9991824), (3, 6661216), (4, 4995912), (6, 3330608), (8, 2497956), (12, 1665304), (16, 1248978), (24, 832652), (32, 624489), (43, 464736), (47, 425184), (48, 416326), (86, 232368), (94, 212592), (96, 208163), (103, 194016), (129, 154912), (141, 141728), (172, 116184), (188, 106296), (206, 97008), (258, 77456), (282, 70864), (309, 64672), (344, 58092), (376, 53148), (412, 48504), (516, 38728), (564, 35432), (618, 32336), (688, 29046), (752, 26574), (824, 24252), (1032, 19364), (1128, 17716), (1236, 16168), (1376, 14523), (1504, 13287), (1648, 12126), (2021, 9888), (2064, 9682), (2256, 8858), (2472, 8084), (3296, 6063), (4042, 4944), (4128, 4841), (4429, 4512)]