19425777

素因数分解:

$3^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{37}}^1\times {\mathrm{1087}}^1$

素因数の和:1157

約数の個数: 32

約数和(自身を含む): 31752192

約数和(自身を除く): 12326415

約数列:

[1, 3, 7, 21, 23, 37, 69, 111, 161, 259, 483, 777, 851, 1087, 2553, 3261, 5957, 7609, 17871, 22827, 25001, 40219, 75003, 120657, 175007, 281533, 525021, 844599, 925037, 2775111, 6475259, 19425777]

約数ペア:

[(1, 19425777), (3, 6475259), (7, 2775111), (21, 925037), (23, 844599), (37, 525021), (69, 281533), (111, 175007), (161, 120657), (259, 75003), (483, 40219), (777, 25001), (851, 22827), (1087, 17871), (2553, 7609), (3261, 5957)]