19748824

素因数分解:

$2^3\times {\mathrm{37}}^1\times {\mathrm{137}}^1\times {\mathrm{487}}^1$

素因数の和:667

約数の個数: 32

約数和(自身を含む): 38386080

約数和(自身を除く): 18637256

約数列:

[1, 2, 4, 8, 37, 74, 137, 148, 274, 296, 487, 548, 974, 1096, 1948, 3896, 5069, 10138, 18019, 20276, 36038, 40552, 66719, 72076, 133438, 144152, 266876, 533752, 2468603, 4937206, 9874412, 19748824]

約数ペア:

[(1, 19748824), (2, 9874412), (4, 4937206), (8, 2468603), (37, 533752), (74, 266876), (137, 144152), (148, 133438), (274, 72076), (296, 66719), (487, 40552), (548, 36038), (974, 20276), (1096, 18019), (1948, 10138), (3896, 5069)]