19904030355

素因数分解:

$3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{41}}^1\times {\mathrm{9109}}^1$

素因数の和:9205

約数の個数: 128

約数和(自身を含む): 39670041600

約数和(自身を除く): 19766011245

約数列:

[1, 3, 5, 11, 15, 17, 19, 33, 41, 51, 55, 57, 85, 95, 123, 165, 187, 205, 209, 255, 285, 323, 451, 561, 615, 627, 697, 779, 935, 969, 1045, 1353, 1615, 2091, 2255, 2337, 2805, 3135, 3485, 3553, 3895, 4845, 6765, 7667, 8569, 9109, 10455, 10659, 11685, 13243, 17765, 23001, 25707, 27327, 38335, 39729, 42845, 45545, 53295, 66215, 100199, 115005, 128535, 136635, 145673, 154853, 173071, 198645, 300597, 373469, 437019, 464559, 500995, 519213, 728365, 774265, 865355, 1120407, 1502985, 1703383, 1867345, 1903781, 2185095, 2322795, 2596065, 2942207, 4108159, 5110149, 5602035, 5711343, 6348973, 7095911, 8516915, 8826621, 9518905, 12324477, 14711035, 19046919, 20540795, 21287733, 25550745, 28556715, 31744865, 32364277, 35479555, 44133105, 61622385, 69838703, 78055021, 95234595, 97092831, 106438665, 120630487, 161821385, 209516109, 234165063, 349193515, 361891461, 390275105, 485464155, 603152435, 1047580545, 1170825315, 1326935357, 1809457305, 3980806071, 6634676785, 19904030355]

約数ペア:

[(1, 19904030355), (3, 6634676785), (5, 3980806071), (11, 1809457305), (15, 1326935357), (17, 1170825315), (19, 1047580545), (33, 603152435), (41, 485464155), (51, 390275105), (55, 361891461), (57, 349193515), (85, 234165063), (95, 209516109), (123, 161821385), (165, 120630487), (187, 106438665), (205, 97092831), (209, 95234595), (255, 78055021), (285, 69838703), (323, 61622385), (451, 44133105), (561, 35479555), (615, 32364277), (627, 31744865), (697, 28556715), (779, 25550745), (935, 21287733), (969, 20540795), (1045, 19046919), (1353, 14711035), (1615, 12324477), (2091, 9518905), (2255, 8826621), (2337, 8516915), (2805, 7095911), (3135, 6348973), (3485, 5711343), (3553, 5602035), (3895, 5110149), (4845, 4108159), (6765, 2942207), (7667, 2596065), (8569, 2322795), (9109, 2185095), (10455, 1903781), (10659, 1867345), (11685, 1703383), (13243, 1502985), (17765, 1120407), (23001, 865355), (25707, 774265), (27327, 728365), (38335, 519213), (39729, 500995), (42845, 464559), (45545, 437019), (53295, 373469), (66215, 300597), (100199, 198645), (115005, 173071), (128535, 154853), (136635, 145673)]