19554480

素因数分解:

$2^4\times 3^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{823}}^1$

素因数の和:856

約数の個数: 160

約数和(自身を含む): 73566720

約数和(自身を除く): 54012240

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 11, 12, 15, 16, 18, 20, 22, 24, 27, 30, 33, 36, 40, 44, 45, 48, 54, 55, 60, 66, 72, 80, 88, 90, 99, 108, 110, 120, 132, 135, 144, 165, 176, 180, 198, 216, 220, 240, 264, 270, 297, 330, 360, 396, 432, 440, 495, 528, 540, 594, 660, 720, 792, 823, 880, 990, 1080, 1188, 1320, 1485, 1584, 1646, 1980, 2160, 2376, 2469, 2640, 2970, 3292, 3960, 4115, 4752, 4938, 5940, 6584, 7407, 7920, 8230, 9053, 9876, 11880, 12345, 13168, 14814, 16460, 18106, 19752, 22221, 23760, 24690, 27159, 29628, 32920, 36212, 37035, 39504, 44442, 45265, 49380, 54318, 59256, 65840, 72424, 74070, 81477, 88884, 90530, 98760, 108636, 111105, 118512, 135795, 144848, 148140, 162954, 177768, 181060, 197520, 217272, 222210, 244431, 271590, 296280, 325908, 355536, 362120, 407385, 434544, 444420, 488862, 543180, 592560, 651816, 724240, 814770, 888840, 977724, 1086360, 1222155, 1303632, 1629540, 1777680, 1955448, 2172720, 2444310, 3259080, 3910896, 4888620, 6518160, 9777240, 19554480]

約数ペア:

[(1, 19554480), (2, 9777240), (3, 6518160), (4, 4888620), (5, 3910896), (6, 3259080), (8, 2444310), (9, 2172720), (10, 1955448), (11, 1777680), (12, 1629540), (15, 1303632), (16, 1222155), (18, 1086360), (20, 977724), (22, 888840), (24, 814770), (27, 724240), (30, 651816), (33, 592560), (36, 543180), (40, 488862), (44, 444420), (45, 434544), (48, 407385), (54, 362120), (55, 355536), (60, 325908), (66, 296280), (72, 271590), (80, 244431), (88, 222210), (90, 217272), (99, 197520), (108, 181060), (110, 177768), (120, 162954), (132, 148140), (135, 144848), (144, 135795), (165, 118512), (176, 111105), (180, 108636), (198, 98760), (216, 90530), (220, 88884), (240, 81477), (264, 74070), (270, 72424), (297, 65840), (330, 59256), (360, 54318), (396, 49380), (432, 45265), (440, 44442), (495, 39504), (528, 37035), (540, 36212), (594, 32920), (660, 29628), (720, 27159), (792, 24690), (823, 23760), (880, 22221), (990, 19752), (1080, 18106), (1188, 16460), (1320, 14814), (1485, 13168), (1584, 12345), (1646, 11880), (1980, 9876), (2160, 9053), (2376, 8230), (2469, 7920), (2640, 7407), (2970, 6584), (3292, 5940), (3960, 4938), (4115, 4752)]