19774230

素因数分解:

$2^1\times 3^1\times 5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{29}}^1\times {\mathrm{191}}^1$

素因数の和:254

約数の個数: 128

約数和(自身を含む): 59719680

約数和(自身を除く): 39945450

約数列:

[1, 2, 3, 5, 6, 7, 10, 14, 15, 17, 21, 29, 30, 34, 35, 42, 51, 58, 70, 85, 87, 102, 105, 119, 145, 170, 174, 191, 203, 210, 238, 255, 290, 357, 382, 406, 435, 493, 510, 573, 595, 609, 714, 870, 955, 986, 1015, 1146, 1190, 1218, 1337, 1479, 1785, 1910, 2030, 2465, 2674, 2865, 2958, 3045, 3247, 3451, 3570, 4011, 4930, 5539, 5730, 6090, 6494, 6685, 6902, 7395, 8022, 9741, 10353, 11078, 13370, 14790, 16235, 16617, 17255, 19482, 20055, 20706, 22729, 27695, 32470, 33234, 34510, 38773, 40110, 45458, 48705, 51765, 55390, 68187, 77546, 83085, 94163, 97410, 103530, 113645, 116319, 136374, 166170, 188326, 193865, 227290, 232638, 282489, 340935, 387730, 470815, 564978, 581595, 659141, 681870, 941630, 1163190, 1318282, 1412445, 1977423, 2824890, 3295705, 3954846, 6591410, 9887115, 19774230]

約数ペア:

[(1, 19774230), (2, 9887115), (3, 6591410), (5, 3954846), (6, 3295705), (7, 2824890), (10, 1977423), (14, 1412445), (15, 1318282), (17, 1163190), (21, 941630), (29, 681870), (30, 659141), (34, 581595), (35, 564978), (42, 470815), (51, 387730), (58, 340935), (70, 282489), (85, 232638), (87, 227290), (102, 193865), (105, 188326), (119, 166170), (145, 136374), (170, 116319), (174, 113645), (191, 103530), (203, 97410), (210, 94163), (238, 83085), (255, 77546), (290, 68187), (357, 55390), (382, 51765), (406, 48705), (435, 45458), (493, 40110), (510, 38773), (573, 34510), (595, 33234), (609, 32470), (714, 27695), (870, 22729), (955, 20706), (986, 20055), (1015, 19482), (1146, 17255), (1190, 16617), (1218, 16235), (1337, 14790), (1479, 13370), (1785, 11078), (1910, 10353), (2030, 9741), (2465, 8022), (2674, 7395), (2865, 6902), (2958, 6685), (3045, 6494), (3247, 6090), (3451, 5730), (3570, 5539), (4011, 4930)]