19390500

素因数分解:

$2^2\times 3^2\times 5^3\times {\mathrm{31}}^1\times {\mathrm{139}}^1$

素因数の和:195

約数の個数: 144

約数和(自身を含む): 63598080

約数和(自身を除く): 44207580

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 25, 30, 31, 36, 45, 50, 60, 62, 75, 90, 93, 100, 124, 125, 139, 150, 155, 180, 186, 225, 250, 278, 279, 300, 310, 372, 375, 417, 450, 465, 500, 556, 558, 620, 695, 750, 775, 834, 900, 930, 1116, 1125, 1251, 1390, 1395, 1500, 1550, 1668, 1860, 2085, 2250, 2325, 2502, 2780, 2790, 3100, 3475, 3875, 4170, 4309, 4500, 4650, 5004, 5580, 6255, 6950, 6975, 7750, 8340, 8618, 9300, 10425, 11625, 12510, 12927, 13900, 13950, 15500, 17236, 17375, 20850, 21545, 23250, 25020, 25854, 27900, 31275, 34750, 34875, 38781, 41700, 43090, 46500, 51708, 52125, 62550, 64635, 69500, 69750, 77562, 86180, 104250, 107725, 125100, 129270, 139500, 155124, 156375, 193905, 208500, 215450, 258540, 312750, 323175, 387810, 430900, 538625, 625500, 646350, 775620, 969525, 1077250, 1292700, 1615875, 1939050, 2154500, 3231750, 3878100, 4847625, 6463500, 9695250, 19390500]

約数ペア:

[(1, 19390500), (2, 9695250), (3, 6463500), (4, 4847625), (5, 3878100), (6, 3231750), (9, 2154500), (10, 1939050), (12, 1615875), (15, 1292700), (18, 1077250), (20, 969525), (25, 775620), (30, 646350), (31, 625500), (36, 538625), (45, 430900), (50, 387810), (60, 323175), (62, 312750), (75, 258540), (90, 215450), (93, 208500), (100, 193905), (124, 156375), (125, 155124), (139, 139500), (150, 129270), (155, 125100), (180, 107725), (186, 104250), (225, 86180), (250, 77562), (278, 69750), (279, 69500), (300, 64635), (310, 62550), (372, 52125), (375, 51708), (417, 46500), (450, 43090), (465, 41700), (500, 38781), (556, 34875), (558, 34750), (620, 31275), (695, 27900), (750, 25854), (775, 25020), (834, 23250), (900, 21545), (930, 20850), (1116, 17375), (1125, 17236), (1251, 15500), (1390, 13950), (1395, 13900), (1500, 12927), (1550, 12510), (1668, 11625), (1860, 10425), (2085, 9300), (2250, 8618), (2325, 8340), (2502, 7750), (2780, 6975), (2790, 6950), (3100, 6255), (3475, 5580), (3875, 5004), (4170, 4650), (4309, 4500)]