17939396820

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{19}}^2\times {\mathrm{31}}^1\times {\mathrm{26717}}^1$

素因数の和:26798

約数の個数: 144

約数和(自身を含む): 54725303808

約数和(自身を除く): 36785906988

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 19, 20, 30, 31, 38, 57, 60, 62, 76, 93, 95, 114, 124, 155, 186, 190, 228, 285, 310, 361, 372, 380, 465, 570, 589, 620, 722, 930, 1083, 1140, 1178, 1444, 1767, 1805, 1860, 2166, 2356, 2945, 3534, 3610, 4332, 5415, 5890, 7068, 7220, 8835, 10830, 11191, 11780, 17670, 21660, 22382, 26717, 33573, 35340, 44764, 53434, 55955, 67146, 80151, 106868, 111910, 133585, 134292, 160302, 167865, 223820, 267170, 320604, 335730, 400755, 507623, 534340, 671460, 801510, 828227, 1015246, 1522869, 1603020, 1656454, 2030492, 2484681, 2538115, 3045738, 3312908, 4141135, 4969362, 5076230, 6091476, 7614345, 8282270, 9644837, 9938724, 10152460, 12423405, 15228690, 15736313, 16564540, 19289674, 24846810, 28934511, 30457380, 31472626, 38579348, 47208939, 48224185, 49693620, 57869022, 62945252, 78681565, 94417878, 96448370, 115738044, 144672555, 157363130, 188835756, 192896740, 236044695, 289345110, 298989947, 314726260, 472089390, 578690220, 597979894, 896969841, 944178780, 1195959788, 1494949735, 1793939682, 2989899470, 3587879364, 4484849205, 5979798940, 8969698410, 17939396820]

約数ペア:

[(1, 17939396820), (2, 8969698410), (3, 5979798940), (4, 4484849205), (5, 3587879364), (6, 2989899470), (10, 1793939682), (12, 1494949735), (15, 1195959788), (19, 944178780), (20, 896969841), (30, 597979894), (31, 578690220), (38, 472089390), (57, 314726260), (60, 298989947), (62, 289345110), (76, 236044695), (93, 192896740), (95, 188835756), (114, 157363130), (124, 144672555), (155, 115738044), (186, 96448370), (190, 94417878), (228, 78681565), (285, 62945252), (310, 57869022), (361, 49693620), (372, 48224185), (380, 47208939), (465, 38579348), (570, 31472626), (589, 30457380), (620, 28934511), (722, 24846810), (930, 19289674), (1083, 16564540), (1140, 15736313), (1178, 15228690), (1444, 12423405), (1767, 10152460), (1805, 9938724), (1860, 9644837), (2166, 8282270), (2356, 7614345), (2945, 6091476), (3534, 5076230), (3610, 4969362), (4332, 4141135), (5415, 3312908), (5890, 3045738), (7068, 2538115), (7220, 2484681), (8835, 2030492), (10830, 1656454), (11191, 1603020), (11780, 1522869), (17670, 1015246), (21660, 828227), (22382, 801510), (26717, 671460), (33573, 534340), (35340, 507623), (44764, 400755), (53434, 335730), (55955, 320604), (67146, 267170), (80151, 223820), (106868, 167865), (111910, 160302), (133585, 134292)]