19585904

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{29}}^1\times {\mathrm{191}}^1$

素因数の和:258

約数の個数: 80

約数和(自身を含む): 44997120

約数和(自身を除く): 25411216

約数列:

[1, 2, 4, 8, 13, 16, 17, 26, 29, 34, 52, 58, 68, 104, 116, 136, 191, 208, 221, 232, 272, 377, 382, 442, 464, 493, 754, 764, 884, 986, 1508, 1528, 1768, 1972, 2483, 3016, 3056, 3247, 3536, 3944, 4966, 5539, 6032, 6409, 6494, 7888, 9932, 11078, 12818, 12988, 19864, 22156, 25636, 25976, 39728, 42211, 44312, 51272, 51952, 72007, 84422, 88624, 94163, 102544, 144014, 168844, 188326, 288028, 337688, 376652, 576056, 675376, 753304, 1152112, 1224119, 1506608, 2448238, 4896476, 9792952, 19585904]

約数ペア:

[(1, 19585904), (2, 9792952), (4, 4896476), (8, 2448238), (13, 1506608), (16, 1224119), (17, 1152112), (26, 753304), (29, 675376), (34, 576056), (52, 376652), (58, 337688), (68, 288028), (104, 188326), (116, 168844), (136, 144014), (191, 102544), (208, 94163), (221, 88624), (232, 84422), (272, 72007), (377, 51952), (382, 51272), (442, 44312), (464, 42211), (493, 39728), (754, 25976), (764, 25636), (884, 22156), (986, 19864), (1508, 12988), (1528, 12818), (1768, 11078), (1972, 9932), (2483, 7888), (3016, 6494), (3056, 6409), (3247, 6032), (3536, 5539), (3944, 4966)]