19254780

素因数分解:

$2^2\times 3^3\times 5^1\times {\mathrm{181}}^1\times {\mathrm{197}}^1$

素因数の和:396

約数の個数: 96

約数和(自身を含む): 60540480

約数和(自身を除く): 41285700

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 27, 30, 36, 45, 54, 60, 90, 108, 135, 180, 181, 197, 270, 362, 394, 540, 543, 591, 724, 788, 905, 985, 1086, 1182, 1629, 1773, 1810, 1970, 2172, 2364, 2715, 2955, 3258, 3546, 3620, 3940, 4887, 5319, 5430, 5910, 6516, 7092, 8145, 8865, 9774, 10638, 10860, 11820, 16290, 17730, 19548, 21276, 24435, 26595, 32580, 35460, 35657, 48870, 53190, 71314, 97740, 106380, 106971, 142628, 178285, 213942, 320913, 356570, 427884, 534855, 641826, 713140, 962739, 1069710, 1283652, 1604565, 1925478, 2139420, 3209130, 3850956, 4813695, 6418260, 9627390, 19254780]

約数ペア:

[(1, 19254780), (2, 9627390), (3, 6418260), (4, 4813695), (5, 3850956), (6, 3209130), (9, 2139420), (10, 1925478), (12, 1604565), (15, 1283652), (18, 1069710), (20, 962739), (27, 713140), (30, 641826), (36, 534855), (45, 427884), (54, 356570), (60, 320913), (90, 213942), (108, 178285), (135, 142628), (180, 106971), (181, 106380), (197, 97740), (270, 71314), (362, 53190), (394, 48870), (540, 35657), (543, 35460), (591, 32580), (724, 26595), (788, 24435), (905, 21276), (985, 19548), (1086, 17730), (1182, 16290), (1629, 11820), (1773, 10860), (1810, 10638), (1970, 9774), (2172, 8865), (2364, 8145), (2715, 7092), (2955, 6516), (3258, 5910), (3546, 5430), (3620, 5319), (3940, 4887)]