19724460

素因数分解:

$2^2\times 3^1\times 5^1\times 7^2\times {\mathrm{6709}}^1$

素因数の和:6735

約数の個数: 72

約数和(自身を含む): 64254960

約数和(自身を除く): 44530500

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, 6709, 13418, 20127, 26836, 33545, 40254, 46963, 67090, 80508, 93926, 100635, 134180, 140889, 187852, 201270, 234815, 281778, 328741, 402540, 469630, 563556, 657482, 704445, 939260, 986223, 1314964, 1408890, 1643705, 1972446, 2817780, 3287410, 3944892, 4931115, 6574820, 9862230, 19724460]

約数ペア:

[(1, 19724460), (2, 9862230), (3, 6574820), (4, 4931115), (5, 3944892), (6, 3287410), (7, 2817780), (10, 1972446), (12, 1643705), (14, 1408890), (15, 1314964), (20, 986223), (21, 939260), (28, 704445), (30, 657482), (35, 563556), (42, 469630), (49, 402540), (60, 328741), (70, 281778), (84, 234815), (98, 201270), (105, 187852), (140, 140889), (147, 134180), (196, 100635), (210, 93926), (245, 80508), (294, 67090), (420, 46963), (490, 40254), (588, 33545), (735, 26836), (980, 20127), (1470, 13418), (2940, 6709)]