19394550

素因数分解:

$2^1\times 3^2\times 5^2\times 7^1\times {\mathrm{47}}^1\times {\mathrm{131}}^1$

素因数の和:203

約数の個数: 144

約数和(自身を含む): 61281792

約数和(自身を除く): 41887242

約数列:

[1, 2, 3, 5, 6, 7, 9, 10, 14, 15, 18, 21, 25, 30, 35, 42, 45, 47, 50, 63, 70, 75, 90, 94, 105, 126, 131, 141, 150, 175, 210, 225, 235, 262, 282, 315, 329, 350, 393, 423, 450, 470, 525, 630, 655, 658, 705, 786, 846, 917, 987, 1050, 1175, 1179, 1310, 1410, 1575, 1645, 1834, 1965, 1974, 2115, 2350, 2358, 2751, 2961, 3150, 3275, 3290, 3525, 3930, 4230, 4585, 4935, 5502, 5895, 5922, 6157, 6550, 7050, 8225, 8253, 9170, 9825, 9870, 10575, 11790, 12314, 13755, 14805, 16450, 16506, 18471, 19650, 21150, 22925, 24675, 27510, 29475, 29610, 30785, 36942, 41265, 43099, 45850, 49350, 55413, 58950, 61570, 68775, 74025, 82530, 86198, 92355, 110826, 129297, 137550, 148050, 153925, 184710, 206325, 215495, 258594, 277065, 307850, 387891, 412650, 430990, 461775, 554130, 646485, 775782, 923550, 1077475, 1292970, 1385325, 1939455, 2154950, 2770650, 3232425, 3878910, 6464850, 9697275, 19394550]

約数ペア:

[(1, 19394550), (2, 9697275), (3, 6464850), (5, 3878910), (6, 3232425), (7, 2770650), (9, 2154950), (10, 1939455), (14, 1385325), (15, 1292970), (18, 1077475), (21, 923550), (25, 775782), (30, 646485), (35, 554130), (42, 461775), (45, 430990), (47, 412650), (50, 387891), (63, 307850), (70, 277065), (75, 258594), (90, 215495), (94, 206325), (105, 184710), (126, 153925), (131, 148050), (141, 137550), (150, 129297), (175, 110826), (210, 92355), (225, 86198), (235, 82530), (262, 74025), (282, 68775), (315, 61570), (329, 58950), (350, 55413), (393, 49350), (423, 45850), (450, 43099), (470, 41265), (525, 36942), (630, 30785), (655, 29610), (658, 29475), (705, 27510), (786, 24675), (846, 22925), (917, 21150), (987, 19650), (1050, 18471), (1175, 16506), (1179, 16450), (1310, 14805), (1410, 13755), (1575, 12314), (1645, 11790), (1834, 10575), (1965, 9870), (1974, 9825), (2115, 9170), (2350, 8253), (2358, 8225), (2751, 7050), (2961, 6550), (3150, 6157), (3275, 5922), (3290, 5895), (3525, 5502), (3930, 4935), (4230, 4585)]