19720512

素因数分解:

$2^6\times 3^2\times 7^1\times {\mathrm{67}}^1\times {\mathrm{73}}^1$

素因数の和:165

約数の個数: 168

約数和(自身を含む): 66462656

約数和(自身を除く): 46742144

約数列:

[1, 2, 3, 4, 6, 7, 8, 9, 12, 14, 16, 18, 21, 24, 28, 32, 36, 42, 48, 56, 63, 64, 67, 72, 73, 84, 96, 112, 126, 134, 144, 146, 168, 192, 201, 219, 224, 252, 268, 288, 292, 336, 402, 438, 448, 469, 504, 511, 536, 576, 584, 603, 657, 672, 804, 876, 938, 1008, 1022, 1072, 1168, 1206, 1314, 1344, 1407, 1533, 1608, 1752, 1876, 2016, 2044, 2144, 2336, 2412, 2628, 2814, 3066, 3216, 3504, 3752, 4032, 4088, 4221, 4288, 4599, 4672, 4824, 4891, 5256, 5628, 6132, 6432, 7008, 7504, 8176, 8442, 9198, 9648, 9782, 10512, 11256, 12264, 12864, 14016, 14673, 15008, 16352, 16884, 18396, 19296, 19564, 21024, 22512, 24528, 29346, 30016, 32704, 33768, 34237, 36792, 38592, 39128, 42048, 44019, 45024, 49056, 58692, 67536, 68474, 73584, 78256, 88038, 90048, 98112, 102711, 117384, 135072, 136948, 147168, 156512, 176076, 205422, 234768, 270144, 273896, 294336, 308133, 313024, 352152, 410844, 469536, 547792, 616266, 704304, 821688, 939072, 1095584, 1232532, 1408608, 1643376, 2191168, 2465064, 2817216, 3286752, 4930128, 6573504, 9860256, 19720512]

約数ペア:

[(1, 19720512), (2, 9860256), (3, 6573504), (4, 4930128), (6, 3286752), (7, 2817216), (8, 2465064), (9, 2191168), (12, 1643376), (14, 1408608), (16, 1232532), (18, 1095584), (21, 939072), (24, 821688), (28, 704304), (32, 616266), (36, 547792), (42, 469536), (48, 410844), (56, 352152), (63, 313024), (64, 308133), (67, 294336), (72, 273896), (73, 270144), (84, 234768), (96, 205422), (112, 176076), (126, 156512), (134, 147168), (144, 136948), (146, 135072), (168, 117384), (192, 102711), (201, 98112), (219, 90048), (224, 88038), (252, 78256), (268, 73584), (288, 68474), (292, 67536), (336, 58692), (402, 49056), (438, 45024), (448, 44019), (469, 42048), (504, 39128), (511, 38592), (536, 36792), (576, 34237), (584, 33768), (603, 32704), (657, 30016), (672, 29346), (804, 24528), (876, 22512), (938, 21024), (1008, 19564), (1022, 19296), (1072, 18396), (1168, 16884), (1206, 16352), (1314, 15008), (1344, 14673), (1407, 14016), (1533, 12864), (1608, 12264), (1752, 11256), (1876, 10512), (2016, 9782), (2044, 9648), (2144, 9198), (2336, 8442), (2412, 8176), (2628, 7504), (2814, 7008), (3066, 6432), (3216, 6132), (3504, 5628), (3752, 5256), (4032, 4891), (4088, 4824), (4221, 4672), (4288, 4599)]