19642238

素因数分解:

$2^1\times 7^3\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{137}}^1$

素因数の和:190

約数の個数: 64

約数和(自身を含む): 39744000

約数和(自身を除く): 20101762

約数列:

[1, 2, 7, 11, 14, 19, 22, 38, 49, 77, 98, 133, 137, 154, 209, 266, 274, 343, 418, 539, 686, 931, 959, 1078, 1463, 1507, 1862, 1918, 2603, 2926, 3014, 3773, 5206, 6517, 6713, 7546, 10241, 10549, 13034, 13426, 18221, 20482, 21098, 28633, 36442, 46991, 57266, 71687, 73843, 93982, 127547, 143374, 147686, 200431, 255094, 400862, 516901, 892829, 1033802, 1403017, 1785658, 2806034, 9821119, 19642238]

約数ペア:

[(1, 19642238), (2, 9821119), (7, 2806034), (11, 1785658), (14, 1403017), (19, 1033802), (22, 892829), (38, 516901), (49, 400862), (77, 255094), (98, 200431), (133, 147686), (137, 143374), (154, 127547), (209, 93982), (266, 73843), (274, 71687), (343, 57266), (418, 46991), (539, 36442), (686, 28633), (931, 21098), (959, 20482), (1078, 18221), (1463, 13426), (1507, 13034), (1862, 10549), (1918, 10241), (2603, 7546), (2926, 6713), (3014, 6517), (3773, 5206)]