19003292

素因数分解:

$2^2\times 7^1\times {\mathrm{11}}^2\times {\mathrm{71}}^1\times {\mathrm{79}}^1$

素因数の和:183

約数の個数: 72

約数和(自身を含む): 42900480

約数和(自身を除く): 23897188

約数列:

[1, 2, 4, 7, 11, 14, 22, 28, 44, 71, 77, 79, 121, 142, 154, 158, 242, 284, 308, 316, 484, 497, 553, 781, 847, 869, 994, 1106, 1562, 1694, 1738, 1988, 2212, 3124, 3388, 3476, 5467, 5609, 6083, 8591, 9559, 10934, 11218, 12166, 17182, 19118, 21868, 22436, 24332, 34364, 38236, 39263, 60137, 61699, 66913, 78526, 120274, 123398, 133826, 157052, 240548, 246796, 267652, 431893, 678689, 863786, 1357378, 1727572, 2714756, 4750823, 9501646, 19003292]

約数ペア:

[(1, 19003292), (2, 9501646), (4, 4750823), (7, 2714756), (11, 1727572), (14, 1357378), (22, 863786), (28, 678689), (44, 431893), (71, 267652), (77, 246796), (79, 240548), (121, 157052), (142, 133826), (154, 123398), (158, 120274), (242, 78526), (284, 66913), (308, 61699), (316, 60137), (484, 39263), (497, 38236), (553, 34364), (781, 24332), (847, 22436), (869, 21868), (994, 19118), (1106, 17182), (1562, 12166), (1694, 11218), (1738, 10934), (1988, 9559), (2212, 8591), (3124, 6083), (3388, 5609), (3476, 5467)]