17821908

素因数分解:

$2^2\times 3^2\times {\mathrm{13}}^1\times {\mathrm{113}}^1\times {\mathrm{337}}^1$

素因数の和:473

約数の個数: 72

約数和(自身を含む): 49089768

約数和(自身を除く): 31267860

約数列:

[1, 2, 3, 4, 6, 9, 12, 13, 18, 26, 36, 39, 52, 78, 113, 117, 156, 226, 234, 337, 339, 452, 468, 674, 678, 1011, 1017, 1348, 1356, 1469, 2022, 2034, 2938, 3033, 4044, 4068, 4381, 4407, 5876, 6066, 8762, 8814, 12132, 13143, 13221, 17524, 17628, 26286, 26442, 38081, 39429, 52572, 52884, 76162, 78858, 114243, 152324, 157716, 228486, 342729, 456972, 495053, 685458, 990106, 1370916, 1485159, 1980212, 2970318, 4455477, 5940636, 8910954, 17821908]

約数ペア:

[(1, 17821908), (2, 8910954), (3, 5940636), (4, 4455477), (6, 2970318), (9, 1980212), (12, 1485159), (13, 1370916), (18, 990106), (26, 685458), (36, 495053), (39, 456972), (52, 342729), (78, 228486), (113, 157716), (117, 152324), (156, 114243), (226, 78858), (234, 76162), (337, 52884), (339, 52572), (452, 39429), (468, 38081), (674, 26442), (678, 26286), (1011, 17628), (1017, 17524), (1348, 13221), (1356, 13143), (1469, 12132), (2022, 8814), (2034, 8762), (2938, 6066), (3033, 5876), (4044, 4407), (4068, 4381)]