19418896

素因数分解:

$2^4\times 7^2\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{47}}^1$

素因数の和:117

約数の個数: 120

約数和(自身を含む): 48854016

約数和(自身を除く): 29435120

約数列:

[1, 2, 4, 7, 8, 14, 16, 17, 28, 31, 34, 47, 49, 56, 62, 68, 94, 98, 112, 119, 124, 136, 188, 196, 217, 238, 248, 272, 329, 376, 392, 434, 476, 496, 527, 658, 752, 784, 799, 833, 868, 952, 1054, 1316, 1457, 1519, 1598, 1666, 1736, 1904, 2108, 2303, 2632, 2914, 3038, 3196, 3332, 3472, 3689, 4216, 4606, 5264, 5593, 5828, 6076, 6392, 6664, 7378, 8432, 9212, 10199, 11186, 11656, 12152, 12784, 13328, 14756, 18424, 20398, 22372, 23312, 24304, 24769, 25823, 29512, 36848, 39151, 40796, 44744, 49538, 51646, 59024, 71393, 78302, 81592, 89488, 99076, 103292, 142786, 156604, 163184, 173383, 198152, 206584, 285572, 313208, 346766, 396304, 413168, 571144, 626416, 693532, 1142288, 1213681, 1387064, 2427362, 2774128, 4854724, 9709448, 19418896]

約数ペア:

[(1, 19418896), (2, 9709448), (4, 4854724), (7, 2774128), (8, 2427362), (14, 1387064), (16, 1213681), (17, 1142288), (28, 693532), (31, 626416), (34, 571144), (47, 413168), (49, 396304), (56, 346766), (62, 313208), (68, 285572), (94, 206584), (98, 198152), (112, 173383), (119, 163184), (124, 156604), (136, 142786), (188, 103292), (196, 99076), (217, 89488), (238, 81592), (248, 78302), (272, 71393), (329, 59024), (376, 51646), (392, 49538), (434, 44744), (476, 40796), (496, 39151), (527, 36848), (658, 29512), (752, 25823), (784, 24769), (799, 24304), (833, 23312), (868, 22372), (952, 20398), (1054, 18424), (1316, 14756), (1457, 13328), (1519, 12784), (1598, 12152), (1666, 11656), (1736, 11186), (1904, 10199), (2108, 9212), (2303, 8432), (2632, 7378), (2914, 6664), (3038, 6392), (3196, 6076), (3332, 5828), (3472, 5593), (3689, 5264), (4216, 4606)]