19390140

素因数分解:

$2^2\times 3^2\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{1399}}^1$

素因数の和:1432

約数の個数: 144

約数和(自身を含む): 73382400

約数和(自身を除く): 53992260

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 11, 12, 14, 15, 18, 20, 21, 22, 28, 30, 33, 35, 36, 42, 44, 45, 55, 60, 63, 66, 70, 77, 84, 90, 99, 105, 110, 126, 132, 140, 154, 165, 180, 198, 210, 220, 231, 252, 308, 315, 330, 385, 396, 420, 462, 495, 630, 660, 693, 770, 924, 990, 1155, 1260, 1386, 1399, 1540, 1980, 2310, 2772, 2798, 3465, 4197, 4620, 5596, 6930, 6995, 8394, 9793, 12591, 13860, 13990, 15389, 16788, 19586, 20985, 25182, 27980, 29379, 30778, 39172, 41970, 46167, 48965, 50364, 58758, 61556, 62955, 76945, 83940, 88137, 92334, 97930, 107723, 117516, 125910, 138501, 146895, 153890, 176274, 184668, 195860, 215446, 230835, 251820, 277002, 293790, 307780, 323169, 352548, 430892, 440685, 461670, 538615, 554004, 587580, 646338, 692505, 881370, 923340, 969507, 1077230, 1292676, 1385010, 1615845, 1762740, 1939014, 2154460, 2770020, 3231690, 3878028, 4847535, 6463380, 9695070, 19390140]

約数ペア:

[(1, 19390140), (2, 9695070), (3, 6463380), (4, 4847535), (5, 3878028), (6, 3231690), (7, 2770020), (9, 2154460), (10, 1939014), (11, 1762740), (12, 1615845), (14, 1385010), (15, 1292676), (18, 1077230), (20, 969507), (21, 923340), (22, 881370), (28, 692505), (30, 646338), (33, 587580), (35, 554004), (36, 538615), (42, 461670), (44, 440685), (45, 430892), (55, 352548), (60, 323169), (63, 307780), (66, 293790), (70, 277002), (77, 251820), (84, 230835), (90, 215446), (99, 195860), (105, 184668), (110, 176274), (126, 153890), (132, 146895), (140, 138501), (154, 125910), (165, 117516), (180, 107723), (198, 97930), (210, 92334), (220, 88137), (231, 83940), (252, 76945), (308, 62955), (315, 61556), (330, 58758), (385, 50364), (396, 48965), (420, 46167), (462, 41970), (495, 39172), (630, 30778), (660, 29379), (693, 27980), (770, 25182), (924, 20985), (990, 19586), (1155, 16788), (1260, 15389), (1386, 13990), (1399, 13860), (1540, 12591), (1980, 9793), (2310, 8394), (2772, 6995), (2798, 6930), (3465, 5596), (4197, 4620)]