19519794

素因数分解:

$2^1\times 3^2\times 7^1\times {\mathrm{37}}^1\times {\mathrm{53}}^1\times {\mathrm{79}}^1$

素因数の和:184

約数の個数: 96

約数和(自身を含む): 51217920

約数和(自身を除く): 31698126

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 21, 37, 42, 53, 63, 74, 79, 106, 111, 126, 158, 159, 222, 237, 259, 318, 333, 371, 474, 477, 518, 553, 666, 711, 742, 777, 954, 1106, 1113, 1422, 1554, 1659, 1961, 2226, 2331, 2923, 3318, 3339, 3922, 4187, 4662, 4977, 5846, 5883, 6678, 8374, 8769, 9954, 11766, 12561, 13727, 17538, 17649, 20461, 25122, 26307, 27454, 29309, 35298, 37683, 40922, 41181, 52614, 58618, 61383, 75366, 82362, 87927, 122766, 123543, 154919, 175854, 184149, 247086, 263781, 309838, 368298, 464757, 527562, 929514, 1084433, 1394271, 2168866, 2788542, 3253299, 6506598, 9759897, 19519794]

約数ペア:

[(1, 19519794), (2, 9759897), (3, 6506598), (6, 3253299), (7, 2788542), (9, 2168866), (14, 1394271), (18, 1084433), (21, 929514), (37, 527562), (42, 464757), (53, 368298), (63, 309838), (74, 263781), (79, 247086), (106, 184149), (111, 175854), (126, 154919), (158, 123543), (159, 122766), (222, 87927), (237, 82362), (259, 75366), (318, 61383), (333, 58618), (371, 52614), (474, 41181), (477, 40922), (518, 37683), (553, 35298), (666, 29309), (711, 27454), (742, 26307), (777, 25122), (954, 20461), (1106, 17649), (1113, 17538), (1422, 13727), (1554, 12561), (1659, 11766), (1961, 9954), (2226, 8769), (2331, 8374), (2923, 6678), (3318, 5883), (3339, 5846), (3922, 4977), (4187, 4662)]