19782588

素因数分解:

$2^2\times 3^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{71}}^1\times {\mathrm{107}}^1$

素因数の和:223

約数の個数: 96

約数和(自身を含む): 55738368

約数和(自身を除く): 35955780

約数列:

[1, 2, 3, 4, 6, 7, 12, 14, 21, 28, 31, 42, 62, 71, 84, 93, 107, 124, 142, 186, 213, 214, 217, 284, 321, 372, 426, 428, 434, 497, 642, 651, 749, 852, 868, 994, 1284, 1302, 1491, 1498, 1988, 2201, 2247, 2604, 2982, 2996, 3317, 4402, 4494, 5964, 6603, 6634, 7597, 8804, 8988, 9951, 13206, 13268, 15194, 15407, 19902, 22791, 23219, 26412, 30388, 30814, 39804, 45582, 46221, 46438, 53179, 61628, 69657, 91164, 92442, 92876, 106358, 139314, 159537, 184884, 212716, 235507, 278628, 319074, 471014, 638148, 706521, 942028, 1413042, 1648549, 2826084, 3297098, 4945647, 6594196, 9891294, 19782588]

約数ペア:

[(1, 19782588), (2, 9891294), (3, 6594196), (4, 4945647), (6, 3297098), (7, 2826084), (12, 1648549), (14, 1413042), (21, 942028), (28, 706521), (31, 638148), (42, 471014), (62, 319074), (71, 278628), (84, 235507), (93, 212716), (107, 184884), (124, 159537), (142, 139314), (186, 106358), (213, 92876), (214, 92442), (217, 91164), (284, 69657), (321, 61628), (372, 53179), (426, 46438), (428, 46221), (434, 45582), (497, 39804), (642, 30814), (651, 30388), (749, 26412), (852, 23219), (868, 22791), (994, 19902), (1284, 15407), (1302, 15194), (1491, 13268), (1498, 13206), (1988, 9951), (2201, 8988), (2247, 8804), (2604, 7597), (2982, 6634), (2996, 6603), (3317, 5964), (4402, 4494)]