19583340

素因数分解:

$2^2\times 3^1\times 5^1\times 7^2\times {\mathrm{6661}}^1$

素因数の和:6687

約数の個数: 72

約数和(自身を含む): 63795312

約数和(自身を除く): 44211972

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, 6661, 13322, 19983, 26644, 33305, 39966, 46627, 66610, 79932, 93254, 99915, 133220, 139881, 186508, 199830, 233135, 279762, 326389, 399660, 466270, 559524, 652778, 699405, 932540, 979167, 1305556, 1398810, 1631945, 1958334, 2797620, 3263890, 3916668, 4895835, 6527780, 9791670, 19583340]

約数ペア:

[(1, 19583340), (2, 9791670), (3, 6527780), (4, 4895835), (5, 3916668), (6, 3263890), (7, 2797620), (10, 1958334), (12, 1631945), (14, 1398810), (15, 1305556), (20, 979167), (21, 932540), (28, 699405), (30, 652778), (35, 559524), (42, 466270), (49, 399660), (60, 326389), (70, 279762), (84, 233135), (98, 199830), (105, 186508), (140, 139881), (147, 133220), (196, 99915), (210, 93254), (245, 79932), (294, 66610), (420, 46627), (490, 39966), (588, 33305), (735, 26644), (980, 19983), (1470, 13322), (2940, 6661)]