19091380

素因数分解:

$2^2\times 5^1\times 7^3\times {\mathrm{11}}^2\times {\mathrm{23}}^1$

素因数の和:75

約数の個数: 144

約数和(自身を含む): 53625600

約数和(自身を除く): 34534220

約数列:

[1, 2, 4, 5, 7, 10, 11, 14, 20, 22, 23, 28, 35, 44, 46, 49, 55, 70, 77, 92, 98, 110, 115, 121, 140, 154, 161, 196, 220, 230, 242, 245, 253, 308, 322, 343, 385, 460, 484, 490, 506, 539, 605, 644, 686, 770, 805, 847, 980, 1012, 1078, 1127, 1210, 1265, 1372, 1540, 1610, 1694, 1715, 1771, 2156, 2254, 2420, 2530, 2695, 2783, 3220, 3388, 3430, 3542, 3773, 4235, 4508, 5060, 5390, 5566, 5635, 5929, 6860, 7084, 7546, 7889, 8470, 8855, 10780, 11132, 11270, 11858, 12397, 13915, 15092, 15778, 16940, 17710, 18865, 19481, 22540, 23716, 24794, 27830, 29645, 31556, 35420, 37730, 38962, 39445, 41503, 49588, 55660, 59290, 61985, 75460, 77924, 78890, 83006, 86779, 97405, 118580, 123970, 136367, 157780, 166012, 173558, 194810, 207515, 247940, 272734, 347116, 389620, 415030, 433895, 545468, 681835, 830060, 867790, 954569, 1363670, 1735580, 1909138, 2727340, 3818276, 4772845, 9545690, 19091380]

約数ペア:

[(1, 19091380), (2, 9545690), (4, 4772845), (5, 3818276), (7, 2727340), (10, 1909138), (11, 1735580), (14, 1363670), (20, 954569), (22, 867790), (23, 830060), (28, 681835), (35, 545468), (44, 433895), (46, 415030), (49, 389620), (55, 347116), (70, 272734), (77, 247940), (92, 207515), (98, 194810), (110, 173558), (115, 166012), (121, 157780), (140, 136367), (154, 123970), (161, 118580), (196, 97405), (220, 86779), (230, 83006), (242, 78890), (245, 77924), (253, 75460), (308, 61985), (322, 59290), (343, 55660), (385, 49588), (460, 41503), (484, 39445), (490, 38962), (506, 37730), (539, 35420), (605, 31556), (644, 29645), (686, 27830), (770, 24794), (805, 23716), (847, 22540), (980, 19481), (1012, 18865), (1078, 17710), (1127, 16940), (1210, 15778), (1265, 15092), (1372, 13915), (1540, 12397), (1610, 11858), (1694, 11270), (1715, 11132), (1771, 10780), (2156, 8855), (2254, 8470), (2420, 7889), (2530, 7546), (2695, 7084), (2783, 6860), (3220, 5929), (3388, 5635), (3430, 5566), (3542, 5390), (3773, 5060), (4235, 4508)]