19220744

素因数分解:

$2^3\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{47}}^1\times {\mathrm{97}}^1$

素因数の和:198

約数の個数: 64

約数和(自身を含む): 40642560

約数和(自身を除く): 21421816

約数列:

[1, 2, 4, 8, 17, 31, 34, 47, 62, 68, 94, 97, 124, 136, 188, 194, 248, 376, 388, 527, 776, 799, 1054, 1457, 1598, 1649, 2108, 2914, 3007, 3196, 3298, 4216, 4559, 5828, 6014, 6392, 6596, 9118, 11656, 12028, 13192, 18236, 24056, 24769, 36472, 49538, 51119, 77503, 99076, 102238, 141329, 155006, 198152, 204476, 282658, 310012, 408952, 565316, 620024, 1130632, 2402593, 4805186, 9610372, 19220744]

約数ペア:

[(1, 19220744), (2, 9610372), (4, 4805186), (8, 2402593), (17, 1130632), (31, 620024), (34, 565316), (47, 408952), (62, 310012), (68, 282658), (94, 204476), (97, 198152), (124, 155006), (136, 141329), (188, 102238), (194, 99076), (248, 77503), (376, 51119), (388, 49538), (527, 36472), (776, 24769), (799, 24056), (1054, 18236), (1457, 13192), (1598, 12028), (1649, 11656), (2108, 9118), (2914, 6596), (3007, 6392), (3196, 6014), (3298, 5828), (4216, 4559)]