18439140

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{191}}^1\times {\mathrm{1609}}^1$

素因数の和:1812

約数の個数: 48

約数和(自身を含む): 51932160

約数和(自身を除く): 33493020

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 191, 382, 573, 764, 955, 1146, 1609, 1910, 2292, 2865, 3218, 3820, 4827, 5730, 6436, 8045, 9654, 11460, 16090, 19308, 24135, 32180, 48270, 96540, 307319, 614638, 921957, 1229276, 1536595, 1843914, 3073190, 3687828, 4609785, 6146380, 9219570, 18439140]

約数ペア:

[(1, 18439140), (2, 9219570), (3, 6146380), (4, 4609785), (5, 3687828), (6, 3073190), (10, 1843914), (12, 1536595), (15, 1229276), (20, 921957), (30, 614638), (60, 307319), (191, 96540), (382, 48270), (573, 32180), (764, 24135), (955, 19308), (1146, 16090), (1609, 11460), (1910, 9654), (2292, 8045), (2865, 6436), (3218, 5730), (3820, 4827)]