19673701380

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{139}}^1\times {\mathrm{786319}}^1$

素因数の和:786473

約数の個数: 72

約数和(自身を含む): 60106300800

約数和(自身を除く): 40432599420

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 139, 180, 278, 417, 556, 695, 834, 1251, 1390, 1668, 2085, 2502, 2780, 4170, 5004, 6255, 8340, 12510, 25020, 786319, 1572638, 2358957, 3145276, 3931595, 4717914, 7076871, 7863190, 9435828, 11794785, 14153742, 15726380, 23589570, 28307484, 35384355, 47179140, 70768710, 109298341, 141537420, 218596682, 327895023, 437193364, 546491705, 655790046, 983685069, 1092983410, 1311580092, 1639475115, 1967370138, 2185966820, 3278950230, 3934740276, 4918425345, 6557900460, 9836850690, 19673701380]

約数ペア:

[(1, 19673701380), (2, 9836850690), (3, 6557900460), (4, 4918425345), (5, 3934740276), (6, 3278950230), (9, 2185966820), (10, 1967370138), (12, 1639475115), (15, 1311580092), (18, 1092983410), (20, 983685069), (30, 655790046), (36, 546491705), (45, 437193364), (60, 327895023), (90, 218596682), (139, 141537420), (180, 109298341), (278, 70768710), (417, 47179140), (556, 35384355), (695, 28307484), (834, 23589570), (1251, 15726380), (1390, 14153742), (1668, 11794785), (2085, 9435828), (2502, 7863190), (2780, 7076871), (4170, 4717914), (5004, 3931595), (6255, 3145276), (8340, 2358957), (12510, 1572638), (25020, 786319)]