18538145704

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{47}}^1\times {\mathrm{349}}^1\times {\mathrm{10867}}^1$

素因数の和:11282

約数の個数: 64

約数和(自身を含む): 38342304000

約数和(自身を除く): 19804158296

約数列:

[1, 2, 4, 8, 13, 26, 47, 52, 94, 104, 188, 349, 376, 611, 698, 1222, 1396, 2444, 2792, 4537, 4888, 9074, 10867, 16403, 18148, 21734, 32806, 36296, 43468, 65612, 86936, 131224, 141271, 213239, 282542, 426478, 510749, 565084, 852956, 1021498, 1130168, 1705912, 2042996, 3792583, 4085992, 6639737, 7585166, 13279474, 15170332, 26558948, 30340664, 49303579, 53117896, 98607158, 178251401, 197214316, 356502802, 394428632, 713005604, 1426011208, 2317268213, 4634536426, 9269072852, 18538145704]

約数ペア:

[(1, 18538145704), (2, 9269072852), (4, 4634536426), (8, 2317268213), (13, 1426011208), (26, 713005604), (47, 394428632), (52, 356502802), (94, 197214316), (104, 178251401), (188, 98607158), (349, 53117896), (376, 49303579), (611, 30340664), (698, 26558948), (1222, 15170332), (1396, 13279474), (2444, 7585166), (2792, 6639737), (4537, 4085992), (4888, 3792583), (9074, 2042996), (10867, 1705912), (16403, 1130168), (18148, 1021498), (21734, 852956), (32806, 565084), (36296, 510749), (43468, 426478), (65612, 282542), (86936, 213239), (131224, 141271)]