19278272

素因数分解:

$2^6\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{29}}^1\times {\mathrm{47}}^1$

素因数の和:118

約数の個数: 112

約数和(自身を含む): 46085760

約数和(自身を除く): 26807488

約数列:

[1, 2, 4, 8, 13, 16, 17, 26, 29, 32, 34, 47, 52, 58, 64, 68, 94, 104, 116, 136, 188, 208, 221, 232, 272, 376, 377, 416, 442, 464, 493, 544, 611, 752, 754, 799, 832, 884, 928, 986, 1088, 1222, 1363, 1504, 1508, 1598, 1768, 1856, 1972, 2444, 2726, 3008, 3016, 3196, 3536, 3944, 4888, 5452, 6032, 6392, 6409, 7072, 7888, 9776, 10387, 10904, 12064, 12784, 12818, 14144, 15776, 17719, 19552, 20774, 21808, 23171, 24128, 25568, 25636, 31552, 35438, 39104, 41548, 43616, 46342, 51136, 51272, 70876, 83096, 87232, 92684, 102544, 141752, 166192, 185368, 205088, 283504, 301223, 332384, 370736, 410176, 567008, 602446, 664768, 741472, 1134016, 1204892, 1482944, 2409784, 4819568, 9639136, 19278272]

約数ペア:

[(1, 19278272), (2, 9639136), (4, 4819568), (8, 2409784), (13, 1482944), (16, 1204892), (17, 1134016), (26, 741472), (29, 664768), (32, 602446), (34, 567008), (47, 410176), (52, 370736), (58, 332384), (64, 301223), (68, 283504), (94, 205088), (104, 185368), (116, 166192), (136, 141752), (188, 102544), (208, 92684), (221, 87232), (232, 83096), (272, 70876), (376, 51272), (377, 51136), (416, 46342), (442, 43616), (464, 41548), (493, 39104), (544, 35438), (611, 31552), (752, 25636), (754, 25568), (799, 24128), (832, 23171), (884, 21808), (928, 20774), (986, 19552), (1088, 17719), (1222, 15776), (1363, 14144), (1504, 12818), (1508, 12784), (1598, 12064), (1768, 10904), (1856, 10387), (1972, 9776), (2444, 7888), (2726, 7072), (3008, 6409), (3016, 6392), (3196, 6032), (3536, 5452), (3944, 4888)]