19681956

素因数分解:

$2^2\times 3^2\times 7^1\times {\mathrm{83}}^1\times {\mathrm{941}}^1$

素因数の和:1041

約数の個数: 72

約数和(自身を含む): 57605184

約数和(自身を除く): 37923228

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 21, 28, 36, 42, 63, 83, 84, 126, 166, 249, 252, 332, 498, 581, 747, 941, 996, 1162, 1494, 1743, 1882, 2324, 2823, 2988, 3486, 3764, 5229, 5646, 6587, 6972, 8469, 10458, 11292, 13174, 16938, 19761, 20916, 26348, 33876, 39522, 59283, 78103, 79044, 118566, 156206, 234309, 237132, 312412, 468618, 546721, 702927, 937236, 1093442, 1405854, 1640163, 2186884, 2811708, 3280326, 4920489, 6560652, 9840978, 19681956]

約数ペア:

[(1, 19681956), (2, 9840978), (3, 6560652), (4, 4920489), (6, 3280326), (7, 2811708), (9, 2186884), (12, 1640163), (14, 1405854), (18, 1093442), (21, 937236), (28, 702927), (36, 546721), (42, 468618), (63, 312412), (83, 237132), (84, 234309), (126, 156206), (166, 118566), (249, 79044), (252, 78103), (332, 59283), (498, 39522), (581, 33876), (747, 26348), (941, 20916), (996, 19761), (1162, 16938), (1494, 13174), (1743, 11292), (1882, 10458), (2324, 8469), (2823, 6972), (2988, 6587), (3486, 5646), (3764, 5229)]