16918380

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{193}}^1\times {\mathrm{487}}^1$

素因数の和:695

約数の個数: 72

約数和(自身を含む): 51690912

約数和(自身を除く): 34772532

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 193, 386, 487, 579, 772, 965, 974, 1158, 1461, 1737, 1930, 1948, 2316, 2435, 2895, 2922, 3474, 3860, 4383, 4870, 5790, 5844, 6948, 7305, 8685, 8766, 9740, 11580, 14610, 17370, 17532, 21915, 29220, 34740, 43830, 87660, 93991, 187982, 281973, 375964, 469955, 563946, 845919, 939910, 1127892, 1409865, 1691838, 1879820, 2819730, 3383676, 4229595, 5639460, 8459190, 16918380]

約数ペア:

[(1, 16918380), (2, 8459190), (3, 5639460), (4, 4229595), (5, 3383676), (6, 2819730), (9, 1879820), (10, 1691838), (12, 1409865), (15, 1127892), (18, 939910), (20, 845919), (30, 563946), (36, 469955), (45, 375964), (60, 281973), (90, 187982), (180, 93991), (193, 87660), (386, 43830), (487, 34740), (579, 29220), (772, 21915), (965, 17532), (974, 17370), (1158, 14610), (1461, 11580), (1737, 9740), (1930, 8766), (1948, 8685), (2316, 7305), (2435, 6948), (2895, 5844), (2922, 5790), (3474, 4870), (3860, 4383)]