19474950

素因数分解:

$2^1\times 3^1\times 5^2\times {\mathrm{11}}^2\times {\mathrm{29}}^1\times {\mathrm{37}}^1$

素因数の和:103

約数の個数: 144

約数和(自身を含む): 56402640

約数和(自身を除く): 36927690

約数列:

[1, 2, 3, 5, 6, 10, 11, 15, 22, 25, 29, 30, 33, 37, 50, 55, 58, 66, 74, 75, 87, 110, 111, 121, 145, 150, 165, 174, 185, 222, 242, 275, 290, 319, 330, 363, 370, 407, 435, 550, 555, 605, 638, 725, 726, 814, 825, 870, 925, 957, 1073, 1110, 1210, 1221, 1450, 1595, 1650, 1815, 1850, 1914, 2035, 2146, 2175, 2442, 2775, 3025, 3190, 3219, 3509, 3630, 4070, 4350, 4477, 4785, 5365, 5550, 6050, 6105, 6438, 7018, 7975, 8954, 9075, 9570, 10175, 10527, 10730, 11803, 12210, 13431, 15950, 16095, 17545, 18150, 20350, 21054, 22385, 23606, 23925, 26825, 26862, 30525, 32190, 35090, 35409, 44770, 47850, 52635, 53650, 59015, 61050, 67155, 70818, 80475, 87725, 105270, 111925, 118030, 129833, 134310, 160950, 175450, 177045, 223850, 259666, 263175, 295075, 335775, 354090, 389499, 526350, 590150, 649165, 671550, 778998, 885225, 1298330, 1770450, 1947495, 3245825, 3894990, 6491650, 9737475, 19474950]

約数ペア:

[(1, 19474950), (2, 9737475), (3, 6491650), (5, 3894990), (6, 3245825), (10, 1947495), (11, 1770450), (15, 1298330), (22, 885225), (25, 778998), (29, 671550), (30, 649165), (33, 590150), (37, 526350), (50, 389499), (55, 354090), (58, 335775), (66, 295075), (74, 263175), (75, 259666), (87, 223850), (110, 177045), (111, 175450), (121, 160950), (145, 134310), (150, 129833), (165, 118030), (174, 111925), (185, 105270), (222, 87725), (242, 80475), (275, 70818), (290, 67155), (319, 61050), (330, 59015), (363, 53650), (370, 52635), (407, 47850), (435, 44770), (550, 35409), (555, 35090), (605, 32190), (638, 30525), (725, 26862), (726, 26825), (814, 23925), (825, 23606), (870, 22385), (925, 21054), (957, 20350), (1073, 18150), (1110, 17545), (1210, 16095), (1221, 15950), (1450, 13431), (1595, 12210), (1650, 11803), (1815, 10730), (1850, 10527), (1914, 10175), (2035, 9570), (2146, 9075), (2175, 8954), (2442, 7975), (2775, 7018), (3025, 6438), (3190, 6105), (3219, 6050), (3509, 5550), (3630, 5365), (4070, 4785), (4350, 4477)]