17988438

素因数分解:

$2^1\times 3^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{37}}^1\times {\mathrm{271}}^1$

素因数の和:349

約数の個数: 64

約数和(自身を含む): 41674752

約数和(自身を除く): 23686314

約数列:

[1, 2, 3, 6, 13, 23, 26, 37, 39, 46, 69, 74, 78, 111, 138, 222, 271, 299, 481, 542, 598, 813, 851, 897, 962, 1443, 1626, 1702, 1794, 2553, 2886, 3523, 5106, 6233, 7046, 10027, 10569, 11063, 12466, 18699, 20054, 21138, 22126, 30081, 33189, 37398, 60162, 66378, 81029, 130351, 162058, 230621, 243087, 260702, 391053, 461242, 486174, 691863, 782106, 1383726, 2998073, 5996146, 8994219, 17988438]

約数ペア:

[(1, 17988438), (2, 8994219), (3, 5996146), (6, 2998073), (13, 1383726), (23, 782106), (26, 691863), (37, 486174), (39, 461242), (46, 391053), (69, 260702), (74, 243087), (78, 230621), (111, 162058), (138, 130351), (222, 81029), (271, 66378), (299, 60162), (481, 37398), (542, 33189), (598, 30081), (813, 22126), (851, 21138), (897, 20054), (962, 18699), (1443, 12466), (1626, 11063), (1702, 10569), (1794, 10027), (2553, 7046), (2886, 6233), (3523, 5106)]