18885690

素因数分解:

$2^1\times 3^3\times 5^1\times {\mathrm{113}}^1\times {\mathrm{619}}^1$

素因数の和:748

約数の個数: 64

約数和(自身を含む): 50889600

約数和(自身を除く): 32003910

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 27, 30, 45, 54, 90, 113, 135, 226, 270, 339, 565, 619, 678, 1017, 1130, 1238, 1695, 1857, 2034, 3051, 3095, 3390, 3714, 5085, 5571, 6102, 6190, 9285, 10170, 11142, 15255, 16713, 18570, 27855, 30510, 33426, 55710, 69947, 83565, 139894, 167130, 209841, 349735, 419682, 629523, 699470, 1049205, 1259046, 1888569, 2098410, 3147615, 3777138, 6295230, 9442845, 18885690]

約数ペア:

[(1, 18885690), (2, 9442845), (3, 6295230), (5, 3777138), (6, 3147615), (9, 2098410), (10, 1888569), (15, 1259046), (18, 1049205), (27, 699470), (30, 629523), (45, 419682), (54, 349735), (90, 209841), (113, 167130), (135, 139894), (226, 83565), (270, 69947), (339, 55710), (565, 33426), (619, 30510), (678, 27855), (1017, 18570), (1130, 16713), (1238, 15255), (1695, 11142), (1857, 10170), (2034, 9285), (3051, 6190), (3095, 6102), (3390, 5571), (3714, 5085)]