18061020

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{5281}}^1$

素因数の和:5315

約数の個数: 72

約数和(自身を含む): 57679440

約数和(自身を除く): 39618420

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 19, 20, 30, 36, 38, 45, 57, 60, 76, 90, 95, 114, 171, 180, 190, 228, 285, 342, 380, 570, 684, 855, 1140, 1710, 3420, 5281, 10562, 15843, 21124, 26405, 31686, 47529, 52810, 63372, 79215, 95058, 100339, 105620, 158430, 190116, 200678, 237645, 301017, 316860, 401356, 475290, 501695, 602034, 903051, 950580, 1003390, 1204068, 1505085, 1806102, 2006780, 3010170, 3612204, 4515255, 6020340, 9030510, 18061020]

約数ペア:

[(1, 18061020), (2, 9030510), (3, 6020340), (4, 4515255), (5, 3612204), (6, 3010170), (9, 2006780), (10, 1806102), (12, 1505085), (15, 1204068), (18, 1003390), (19, 950580), (20, 903051), (30, 602034), (36, 501695), (38, 475290), (45, 401356), (57, 316860), (60, 301017), (76, 237645), (90, 200678), (95, 190116), (114, 158430), (171, 105620), (180, 100339), (190, 95058), (228, 79215), (285, 63372), (342, 52810), (380, 47529), (570, 31686), (684, 26405), (855, 21124), (1140, 15843), (1710, 10562), (3420, 5281)]