19771290

素因数分解:

$2^1\times 3^4\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{317}}^1$

素因数の和:354

約数の個数: 160

約数和(自身を含む): 66489984

約数和(自身を除く): 46718694

約数列:

[1, 2, 3, 5, 6, 7, 9, 10, 11, 14, 15, 18, 21, 22, 27, 30, 33, 35, 42, 45, 54, 55, 63, 66, 70, 77, 81, 90, 99, 105, 110, 126, 135, 154, 162, 165, 189, 198, 210, 231, 270, 297, 315, 317, 330, 378, 385, 405, 462, 495, 567, 594, 630, 634, 693, 770, 810, 891, 945, 951, 990, 1134, 1155, 1386, 1485, 1585, 1782, 1890, 1902, 2079, 2219, 2310, 2835, 2853, 2970, 3170, 3465, 3487, 4158, 4438, 4455, 4755, 5670, 5706, 6237, 6657, 6930, 6974, 8559, 8910, 9510, 10395, 10461, 11095, 12474, 13314, 14265, 17118, 17435, 19971, 20790, 20922, 22190, 24409, 25677, 28530, 31185, 31383, 33285, 34870, 39942, 42795, 48818, 51354, 52305, 59913, 62370, 62766, 66570, 73227, 85590, 94149, 99855, 104610, 119826, 122045, 128385, 146454, 156915, 179739, 188298, 199710, 219681, 244090, 256770, 282447, 299565, 313830, 359478, 366135, 439362, 470745, 564894, 599130, 659043, 732270, 898695, 941490, 1098405, 1318086, 1412235, 1797390, 1977129, 2196810, 2824470, 3295215, 3954258, 6590430, 9885645, 19771290]

約数ペア:

[(1, 19771290), (2, 9885645), (3, 6590430), (5, 3954258), (6, 3295215), (7, 2824470), (9, 2196810), (10, 1977129), (11, 1797390), (14, 1412235), (15, 1318086), (18, 1098405), (21, 941490), (22, 898695), (27, 732270), (30, 659043), (33, 599130), (35, 564894), (42, 470745), (45, 439362), (54, 366135), (55, 359478), (63, 313830), (66, 299565), (70, 282447), (77, 256770), (81, 244090), (90, 219681), (99, 199710), (105, 188298), (110, 179739), (126, 156915), (135, 146454), (154, 128385), (162, 122045), (165, 119826), (189, 104610), (198, 99855), (210, 94149), (231, 85590), (270, 73227), (297, 66570), (315, 62766), (317, 62370), (330, 59913), (378, 52305), (385, 51354), (405, 48818), (462, 42795), (495, 39942), (567, 34870), (594, 33285), (630, 31383), (634, 31185), (693, 28530), (770, 25677), (810, 24409), (891, 22190), (945, 20922), (951, 20790), (990, 19971), (1134, 17435), (1155, 17118), (1386, 14265), (1485, 13314), (1585, 12474), (1782, 11095), (1890, 10461), (1902, 10395), (2079, 9510), (2219, 8910), (2310, 8559), (2835, 6974), (2853, 6930), (2970, 6657), (3170, 6237), (3465, 5706), (3487, 5670), (4158, 4755), (4438, 4455)]