19363140

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{97}}^1\times {\mathrm{1109}}^1$

素因数の和:1221

約数の個数: 72

約数和(自身を含む): 59393880

約数和(自身を除く): 40030740

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 97, 180, 194, 291, 388, 485, 582, 873, 970, 1109, 1164, 1455, 1746, 1940, 2218, 2910, 3327, 3492, 4365, 4436, 5545, 5820, 6654, 8730, 9981, 11090, 13308, 16635, 17460, 19962, 22180, 33270, 39924, 49905, 66540, 99810, 107573, 199620, 215146, 322719, 430292, 537865, 645438, 968157, 1075730, 1290876, 1613595, 1936314, 2151460, 3227190, 3872628, 4840785, 6454380, 9681570, 19363140]

約数ペア:

[(1, 19363140), (2, 9681570), (3, 6454380), (4, 4840785), (5, 3872628), (6, 3227190), (9, 2151460), (10, 1936314), (12, 1613595), (15, 1290876), (18, 1075730), (20, 968157), (30, 645438), (36, 537865), (45, 430292), (60, 322719), (90, 215146), (97, 199620), (180, 107573), (194, 99810), (291, 66540), (388, 49905), (485, 39924), (582, 33270), (873, 22180), (970, 19962), (1109, 17460), (1164, 16635), (1455, 13308), (1746, 11090), (1940, 9981), (2218, 8730), (2910, 6654), (3327, 5820), (3492, 5545), (4365, 4436)]