19278644

素因数分解:

$2^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{53}}^1\times {\mathrm{1181}}^1$

素因数の和:1256

約数の個数: 48

約数和(自身を含む): 42892416

約数和(自身を除く): 23613772

約数列:

[1, 2, 4, 7, 11, 14, 22, 28, 44, 53, 77, 106, 154, 212, 308, 371, 583, 742, 1166, 1181, 1484, 2332, 2362, 4081, 4724, 8162, 8267, 12991, 16324, 16534, 25982, 33068, 51964, 62593, 90937, 125186, 181874, 250372, 363748, 438151, 688523, 876302, 1377046, 1752604, 2754092, 4819661, 9639322, 19278644]

約数ペア:

[(1, 19278644), (2, 9639322), (4, 4819661), (7, 2754092), (11, 1752604), (14, 1377046), (22, 876302), (28, 688523), (44, 438151), (53, 363748), (77, 250372), (106, 181874), (154, 125186), (212, 90937), (308, 62593), (371, 51964), (583, 33068), (742, 25982), (1166, 16534), (1181, 16324), (1484, 12991), (2332, 8267), (2362, 8162), (4081, 4724)]