19649008

素因数分解:

$2^4\times {\mathrm{17}}^1\times {\mathrm{29}}^1\times {\mathrm{47}}^1\times {\mathrm{53}}^1$

素因数の和:154

約数の個数: 80

約数和(自身を含む): 43390080

約数和(自身を除く): 23741072

約数列:

[1, 2, 4, 8, 16, 17, 29, 34, 47, 53, 58, 68, 94, 106, 116, 136, 188, 212, 232, 272, 376, 424, 464, 493, 752, 799, 848, 901, 986, 1363, 1537, 1598, 1802, 1972, 2491, 2726, 3074, 3196, 3604, 3944, 4982, 5452, 6148, 6392, 7208, 7888, 9964, 10904, 12296, 12784, 14416, 19928, 21808, 23171, 24592, 26129, 39856, 42347, 46342, 52258, 72239, 84694, 92684, 104516, 144478, 169388, 185368, 209032, 288956, 338776, 370736, 418064, 577912, 677552, 1155824, 1228063, 2456126, 4912252, 9824504, 19649008]

約数ペア:

[(1, 19649008), (2, 9824504), (4, 4912252), (8, 2456126), (16, 1228063), (17, 1155824), (29, 677552), (34, 577912), (47, 418064), (53, 370736), (58, 338776), (68, 288956), (94, 209032), (106, 185368), (116, 169388), (136, 144478), (188, 104516), (212, 92684), (232, 84694), (272, 72239), (376, 52258), (424, 46342), (464, 42347), (493, 39856), (752, 26129), (799, 24592), (848, 23171), (901, 21808), (986, 19928), (1363, 14416), (1537, 12784), (1598, 12296), (1802, 10904), (1972, 9964), (2491, 7888), (2726, 7208), (3074, 6392), (3196, 6148), (3604, 5452), (3944, 4982)]