19486194

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{89}}^1\times {\mathrm{401}}^1$

素因数の和:515

約数の個数: 64

約数和(自身を含む): 48625920

約数和(自身を除く): 29139726

約数列:

[1, 2, 3, 6, 7, 13, 14, 21, 26, 39, 42, 78, 89, 91, 178, 182, 267, 273, 401, 534, 546, 623, 802, 1157, 1203, 1246, 1869, 2314, 2406, 2807, 3471, 3738, 5213, 5614, 6942, 8099, 8421, 10426, 15639, 16198, 16842, 24297, 31278, 35689, 36491, 48594, 71378, 72982, 107067, 109473, 214134, 218946, 249823, 463957, 499646, 749469, 927914, 1391871, 1498938, 2783742, 3247699, 6495398, 9743097, 19486194]

約数ペア:

[(1, 19486194), (2, 9743097), (3, 6495398), (6, 3247699), (7, 2783742), (13, 1498938), (14, 1391871), (21, 927914), (26, 749469), (39, 499646), (42, 463957), (78, 249823), (89, 218946), (91, 214134), (178, 109473), (182, 107067), (267, 72982), (273, 71378), (401, 48594), (534, 36491), (546, 35689), (623, 31278), (802, 24297), (1157, 16842), (1203, 16198), (1246, 15639), (1869, 10426), (2314, 8421), (2406, 8099), (2807, 6942), (3471, 5614), (3738, 5213)]