19318740

素因数分解:

$2^2\times 3^1\times 5^1\times 7^2\times {\mathrm{6571}}^1$

素因数の和:6597

約数の個数: 72

約数和(自身を含む): 62933472

約数和(自身を除く): 43614732

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 49, 60, 70, 84, 98, 105, 140, 147, 196, 210, 245, 294, 420, 490, 588, 735, 980, 1470, 2940, 6571, 13142, 19713, 26284, 32855, 39426, 45997, 65710, 78852, 91994, 98565, 131420, 137991, 183988, 197130, 229985, 275982, 321979, 394260, 459970, 551964, 643958, 689955, 919940, 965937, 1287916, 1379910, 1609895, 1931874, 2759820, 3219790, 3863748, 4829685, 6439580, 9659370, 19318740]

約数ペア:

[(1, 19318740), (2, 9659370), (3, 6439580), (4, 4829685), (5, 3863748), (6, 3219790), (7, 2759820), (10, 1931874), (12, 1609895), (14, 1379910), (15, 1287916), (20, 965937), (21, 919940), (28, 689955), (30, 643958), (35, 551964), (42, 459970), (49, 394260), (60, 321979), (70, 275982), (84, 229985), (98, 197130), (105, 183988), (140, 137991), (147, 131420), (196, 98565), (210, 91994), (245, 78852), (294, 65710), (420, 45997), (490, 39426), (588, 32855), (735, 26284), (980, 19713), (1470, 13142), (2940, 6571)]