19514810

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{23}}^2\times {\mathrm{31}}^1$

素因数の和:108

約数の個数: 96

約数和(自身を含む): 45868032

約数和(自身を除く): 26353222

約数列:

[1, 2, 5, 7, 10, 14, 17, 23, 31, 34, 35, 46, 62, 70, 85, 115, 119, 155, 161, 170, 217, 230, 238, 310, 322, 391, 434, 527, 529, 595, 713, 782, 805, 1054, 1058, 1085, 1190, 1426, 1610, 1955, 2170, 2635, 2645, 2737, 3565, 3689, 3703, 3910, 4991, 5270, 5290, 5474, 7130, 7378, 7406, 8993, 9982, 12121, 13685, 16399, 17986, 18445, 18515, 24242, 24955, 27370, 32798, 36890, 37030, 44965, 49910, 60605, 62951, 81995, 84847, 89930, 114793, 121210, 125902, 163990, 169694, 229586, 278783, 314755, 424235, 557566, 573965, 629510, 848470, 1147930, 1393915, 1951481, 2787830, 3902962, 9757405, 19514810]

約数ペア:

[(1, 19514810), (2, 9757405), (5, 3902962), (7, 2787830), (10, 1951481), (14, 1393915), (17, 1147930), (23, 848470), (31, 629510), (34, 573965), (35, 557566), (46, 424235), (62, 314755), (70, 278783), (85, 229586), (115, 169694), (119, 163990), (155, 125902), (161, 121210), (170, 114793), (217, 89930), (230, 84847), (238, 81995), (310, 62951), (322, 60605), (391, 49910), (434, 44965), (527, 37030), (529, 36890), (595, 32798), (713, 27370), (782, 24955), (805, 24242), (1054, 18515), (1058, 18445), (1085, 17986), (1190, 16399), (1426, 13685), (1610, 12121), (1955, 9982), (2170, 8993), (2635, 7406), (2645, 7378), (2737, 7130), (3565, 5474), (3689, 5290), (3703, 5270), (3910, 4991)]