19564490

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^2\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{37}}^1$

素因数の和:108

約数の個数: 96

約数和(自身を含む): 43666560

約数和(自身を除く): 24102070

約数列:

[1, 2, 5, 10, 11, 19, 22, 23, 37, 38, 46, 55, 74, 95, 110, 115, 121, 185, 190, 209, 230, 242, 253, 370, 407, 418, 437, 506, 605, 703, 814, 851, 874, 1045, 1210, 1265, 1406, 1702, 2035, 2090, 2185, 2299, 2530, 2783, 3515, 4070, 4255, 4370, 4477, 4598, 4807, 5566, 7030, 7733, 8510, 8954, 9361, 9614, 11495, 13915, 15466, 16169, 18722, 22385, 22990, 24035, 27830, 32338, 38665, 44770, 46805, 48070, 52877, 77330, 80845, 85063, 93610, 102971, 105754, 161690, 170126, 177859, 205942, 264385, 355718, 425315, 514855, 528770, 850630, 889295, 1029710, 1778590, 1956449, 3912898, 9782245, 19564490]

約数ペア:

[(1, 19564490), (2, 9782245), (5, 3912898), (10, 1956449), (11, 1778590), (19, 1029710), (22, 889295), (23, 850630), (37, 528770), (38, 514855), (46, 425315), (55, 355718), (74, 264385), (95, 205942), (110, 177859), (115, 170126), (121, 161690), (185, 105754), (190, 102971), (209, 93610), (230, 85063), (242, 80845), (253, 77330), (370, 52877), (407, 48070), (418, 46805), (437, 44770), (506, 38665), (605, 32338), (703, 27830), (814, 24035), (851, 22990), (874, 22385), (1045, 18722), (1210, 16169), (1265, 15466), (1406, 13915), (1702, 11495), (2035, 9614), (2090, 9361), (2185, 8954), (2299, 8510), (2530, 7733), (2783, 7030), (3515, 5566), (4070, 4807), (4255, 4598), (4370, 4477)]