18506950

素因数分解:

$2^1\times 5^2\times 7^1\times {\mathrm{11}}^2\times {\mathrm{19}}^1\times {\mathrm{23}}^1$

素因数の和:83

約数の個数: 144

約数和(自身を含む): 47496960

約数和(自身を除く): 28990010

約数列:

[1, 2, 5, 7, 10, 11, 14, 19, 22, 23, 25, 35, 38, 46, 50, 55, 70, 77, 95, 110, 115, 121, 133, 154, 161, 175, 190, 209, 230, 242, 253, 266, 275, 322, 350, 385, 418, 437, 475, 506, 550, 575, 605, 665, 770, 805, 847, 874, 950, 1045, 1150, 1210, 1265, 1330, 1463, 1610, 1694, 1771, 1925, 2090, 2185, 2299, 2530, 2783, 2926, 3025, 3059, 3325, 3542, 3850, 4025, 4235, 4370, 4598, 4807, 5225, 5566, 6050, 6118, 6325, 6650, 7315, 8050, 8470, 8855, 9614, 10450, 10925, 11495, 12650, 13915, 14630, 15295, 16093, 17710, 19481, 21175, 21850, 22990, 24035, 27830, 30590, 32186, 33649, 36575, 38962, 42350, 44275, 48070, 52877, 57475, 67298, 69575, 73150, 76475, 80465, 88550, 97405, 105754, 114950, 120175, 139150, 152950, 160930, 168245, 194810, 240350, 264385, 336490, 370139, 402325, 487025, 528770, 740278, 804650, 841225, 974050, 1321925, 1682450, 1850695, 2643850, 3701390, 9253475, 18506950]

約数ペア:

[(1, 18506950), (2, 9253475), (5, 3701390), (7, 2643850), (10, 1850695), (11, 1682450), (14, 1321925), (19, 974050), (22, 841225), (23, 804650), (25, 740278), (35, 528770), (38, 487025), (46, 402325), (50, 370139), (55, 336490), (70, 264385), (77, 240350), (95, 194810), (110, 168245), (115, 160930), (121, 152950), (133, 139150), (154, 120175), (161, 114950), (175, 105754), (190, 97405), (209, 88550), (230, 80465), (242, 76475), (253, 73150), (266, 69575), (275, 67298), (322, 57475), (350, 52877), (385, 48070), (418, 44275), (437, 42350), (475, 38962), (506, 36575), (550, 33649), (575, 32186), (605, 30590), (665, 27830), (770, 24035), (805, 22990), (847, 21850), (874, 21175), (950, 19481), (1045, 17710), (1150, 16093), (1210, 15295), (1265, 14630), (1330, 13915), (1463, 12650), (1610, 11495), (1694, 10925), (1771, 10450), (1925, 9614), (2090, 8855), (2185, 8470), (2299, 8050), (2530, 7315), (2783, 6650), (2926, 6325), (3025, 6118), (3059, 6050), (3325, 5566), (3542, 5225), (3850, 4807), (4025, 4598), (4235, 4370)]