18980280

素因数分解:

$2^3\times 3^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{4793}}^1$

素因数の和:4821

約数の個数: 96

約数和(自身を含む): 67307760

約数和(自身を除く): 48327480

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 11, 12, 15, 18, 20, 22, 24, 30, 33, 36, 40, 44, 45, 55, 60, 66, 72, 88, 90, 99, 110, 120, 132, 165, 180, 198, 220, 264, 330, 360, 396, 440, 495, 660, 792, 990, 1320, 1980, 3960, 4793, 9586, 14379, 19172, 23965, 28758, 38344, 43137, 47930, 52723, 57516, 71895, 86274, 95860, 105446, 115032, 143790, 158169, 172548, 191720, 210892, 215685, 263615, 287580, 316338, 345096, 421784, 431370, 474507, 527230, 575160, 632676, 790845, 862740, 949014, 1054460, 1265352, 1581690, 1725480, 1898028, 2108920, 2372535, 3163380, 3796056, 4745070, 6326760, 9490140, 18980280]

約数ペア:

[(1, 18980280), (2, 9490140), (3, 6326760), (4, 4745070), (5, 3796056), (6, 3163380), (8, 2372535), (9, 2108920), (10, 1898028), (11, 1725480), (12, 1581690), (15, 1265352), (18, 1054460), (20, 949014), (22, 862740), (24, 790845), (30, 632676), (33, 575160), (36, 527230), (40, 474507), (44, 431370), (45, 421784), (55, 345096), (60, 316338), (66, 287580), (72, 263615), (88, 215685), (90, 210892), (99, 191720), (110, 172548), (120, 158169), (132, 143790), (165, 115032), (180, 105446), (198, 95860), (220, 86274), (264, 71895), (330, 57516), (360, 52723), (396, 47930), (440, 43137), (495, 38344), (660, 28758), (792, 23965), (990, 19172), (1320, 14379), (1980, 9586), (3960, 4793)]