18781164

素因数分解:

$2^2\times 3^2\times {\mathrm{31}}^1\times {\mathrm{16829}}^1$

素因数の和:16870

約数の個数: 36

約数和(自身を含む): 49008960

約数和(自身を除く): 30227796

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 31, 36, 62, 93, 124, 186, 279, 372, 558, 1116, 16829, 33658, 50487, 67316, 100974, 151461, 201948, 302922, 521699, 605844, 1043398, 1565097, 2086796, 3130194, 4695291, 6260388, 9390582, 18781164]

約数ペア:

[(1, 18781164), (2, 9390582), (3, 6260388), (4, 4695291), (6, 3130194), (9, 2086796), (12, 1565097), (18, 1043398), (31, 605844), (36, 521699), (62, 302922), (93, 201948), (124, 151461), (186, 100974), (279, 67316), (372, 50487), (558, 33658), (1116, 16829)]