18921870

素因数分解:

$2^1\times 3^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{277}}^1$

素因数の和:327

約数の個数: 128

約数和(自身を含む): 57646080

約数和(自身を除く): 38724210

約数列:

[1, 2, 3, 5, 6, 9, 10, 11, 15, 18, 22, 23, 27, 30, 33, 45, 46, 54, 55, 66, 69, 90, 99, 110, 115, 135, 138, 165, 198, 207, 230, 253, 270, 277, 297, 330, 345, 414, 495, 506, 554, 594, 621, 690, 759, 831, 990, 1035, 1242, 1265, 1385, 1485, 1518, 1662, 2070, 2277, 2493, 2530, 2770, 2970, 3047, 3105, 3795, 4155, 4554, 4986, 6094, 6210, 6371, 6831, 7479, 7590, 8310, 9141, 11385, 12465, 12742, 13662, 14958, 15235, 18282, 19113, 22770, 24930, 27423, 30470, 31855, 34155, 37395, 38226, 45705, 54846, 57339, 63710, 68310, 70081, 74790, 82269, 91410, 95565, 114678, 137115, 140162, 164538, 172017, 191130, 210243, 274230, 286695, 344034, 350405, 411345, 420486, 573390, 630729, 700810, 822690, 860085, 1051215, 1261458, 1720170, 1892187, 2102430, 3153645, 3784374, 6307290, 9460935, 18921870]

約数ペア:

[(1, 18921870), (2, 9460935), (3, 6307290), (5, 3784374), (6, 3153645), (9, 2102430), (10, 1892187), (11, 1720170), (15, 1261458), (18, 1051215), (22, 860085), (23, 822690), (27, 700810), (30, 630729), (33, 573390), (45, 420486), (46, 411345), (54, 350405), (55, 344034), (66, 286695), (69, 274230), (90, 210243), (99, 191130), (110, 172017), (115, 164538), (135, 140162), (138, 137115), (165, 114678), (198, 95565), (207, 91410), (230, 82269), (253, 74790), (270, 70081), (277, 68310), (297, 63710), (330, 57339), (345, 54846), (414, 45705), (495, 38226), (506, 37395), (554, 34155), (594, 31855), (621, 30470), (690, 27423), (759, 24930), (831, 22770), (990, 19113), (1035, 18282), (1242, 15235), (1265, 14958), (1385, 13662), (1485, 12742), (1518, 12465), (1662, 11385), (2070, 9141), (2277, 8310), (2493, 7590), (2530, 7479), (2770, 6831), (2970, 6371), (3047, 6210), (3105, 6094), (3795, 4986), (4155, 4554)]