18162090

素因数分解:

$2^1\times 3^3\times 5^1\times {\mathrm{137}}^1\times {\mathrm{491}}^1$

素因数の和:644

約数の個数: 64

約数和(自身を含む): 48885120

約数和(自身を除く): 30723030

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 27, 30, 45, 54, 90, 135, 137, 270, 274, 411, 491, 685, 822, 982, 1233, 1370, 1473, 2055, 2455, 2466, 2946, 3699, 4110, 4419, 4910, 6165, 7365, 7398, 8838, 12330, 13257, 14730, 18495, 22095, 26514, 36990, 44190, 66285, 67267, 132570, 134534, 201801, 336335, 403602, 605403, 672670, 1009005, 1210806, 1816209, 2018010, 3027015, 3632418, 6054030, 9081045, 18162090]

約数ペア:

[(1, 18162090), (2, 9081045), (3, 6054030), (5, 3632418), (6, 3027015), (9, 2018010), (10, 1816209), (15, 1210806), (18, 1009005), (27, 672670), (30, 605403), (45, 403602), (54, 336335), (90, 201801), (135, 134534), (137, 132570), (270, 67267), (274, 66285), (411, 44190), (491, 36990), (685, 26514), (822, 22095), (982, 18495), (1233, 14730), (1370, 13257), (1473, 12330), (2055, 8838), (2455, 7398), (2466, 7365), (2946, 6165), (3699, 4910), (4110, 4419)]