19661928

素因数分解:

$2^3\times 3^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{337}}^1$

素因数の和:387

約数の個数: 128

約数和(自身を含む): 61326720

約数和(自身を除く): 41664792

約数列:

[1, 2, 3, 4, 6, 8, 11, 12, 13, 17, 22, 24, 26, 33, 34, 39, 44, 51, 52, 66, 68, 78, 88, 102, 104, 132, 136, 143, 156, 187, 204, 221, 264, 286, 312, 337, 374, 408, 429, 442, 561, 572, 663, 674, 748, 858, 884, 1011, 1122, 1144, 1326, 1348, 1496, 1716, 1768, 2022, 2244, 2431, 2652, 2696, 3432, 3707, 4044, 4381, 4488, 4862, 5304, 5729, 7293, 7414, 8088, 8762, 9724, 11121, 11458, 13143, 14586, 14828, 17187, 17524, 19448, 22242, 22916, 26286, 29172, 29656, 34374, 35048, 44484, 45832, 48191, 52572, 58344, 63019, 68748, 74477, 88968, 96382, 105144, 126038, 137496, 144573, 148954, 189057, 192764, 223431, 252076, 289146, 297908, 378114, 385528, 446862, 504152, 578292, 595816, 756228, 819247, 893724, 1156584, 1512456, 1638494, 1787448, 2457741, 3276988, 4915482, 6553976, 9830964, 19661928]

約数ペア:

[(1, 19661928), (2, 9830964), (3, 6553976), (4, 4915482), (6, 3276988), (8, 2457741), (11, 1787448), (12, 1638494), (13, 1512456), (17, 1156584), (22, 893724), (24, 819247), (26, 756228), (33, 595816), (34, 578292), (39, 504152), (44, 446862), (51, 385528), (52, 378114), (66, 297908), (68, 289146), (78, 252076), (88, 223431), (102, 192764), (104, 189057), (132, 148954), (136, 144573), (143, 137496), (156, 126038), (187, 105144), (204, 96382), (221, 88968), (264, 74477), (286, 68748), (312, 63019), (337, 58344), (374, 52572), (408, 48191), (429, 45832), (442, 44484), (561, 35048), (572, 34374), (663, 29656), (674, 29172), (748, 26286), (858, 22916), (884, 22242), (1011, 19448), (1122, 17524), (1144, 17187), (1326, 14828), (1348, 14586), (1496, 13143), (1716, 11458), (1768, 11121), (2022, 9724), (2244, 8762), (2431, 8088), (2652, 7414), (2696, 7293), (3432, 5729), (3707, 5304), (4044, 4862), (4381, 4488)]