18873972

素因数分解:

$2^2\times 3^4\times {\mathrm{13}}^1\times {\mathrm{4481}}^1$

素因数の和:4510

約数の個数: 60

約数和(自身を含む): 53147556

約数和(自身を除く): 34273584

約数列:

[1, 2, 3, 4, 6, 9, 12, 13, 18, 26, 27, 36, 39, 52, 54, 78, 81, 108, 117, 156, 162, 234, 324, 351, 468, 702, 1053, 1404, 2106, 4212, 4481, 8962, 13443, 17924, 26886, 40329, 53772, 58253, 80658, 116506, 120987, 161316, 174759, 233012, 241974, 349518, 362961, 483948, 524277, 699036, 725922, 1048554, 1451844, 1572831, 2097108, 3145662, 4718493, 6291324, 9436986, 18873972]

約数ペア:

[(1, 18873972), (2, 9436986), (3, 6291324), (4, 4718493), (6, 3145662), (9, 2097108), (12, 1572831), (13, 1451844), (18, 1048554), (26, 725922), (27, 699036), (36, 524277), (39, 483948), (52, 362961), (54, 349518), (78, 241974), (81, 233012), (108, 174759), (117, 161316), (156, 120987), (162, 116506), (234, 80658), (324, 58253), (351, 53772), (468, 40329), (702, 26886), (1053, 17924), (1404, 13443), (2106, 8962), (4212, 4481)]