19725810

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{1367}}^1$

素因数の和:1427

約数の個数: 64

約数和(自身を含む): 52399872

約数和(自身を除く): 32674062

約数列:

[1, 2, 3, 5, 6, 10, 13, 15, 26, 30, 37, 39, 65, 74, 78, 111, 130, 185, 195, 222, 370, 390, 481, 555, 962, 1110, 1367, 1443, 2405, 2734, 2886, 4101, 4810, 6835, 7215, 8202, 13670, 14430, 17771, 20505, 35542, 41010, 50579, 53313, 88855, 101158, 106626, 151737, 177710, 252895, 266565, 303474, 505790, 533130, 657527, 758685, 1315054, 1517370, 1972581, 3287635, 3945162, 6575270, 9862905, 19725810]

約数ペア:

[(1, 19725810), (2, 9862905), (3, 6575270), (5, 3945162), (6, 3287635), (10, 1972581), (13, 1517370), (15, 1315054), (26, 758685), (30, 657527), (37, 533130), (39, 505790), (65, 303474), (74, 266565), (78, 252895), (111, 177710), (130, 151737), (185, 106626), (195, 101158), (222, 88855), (370, 53313), (390, 50579), (481, 41010), (555, 35542), (962, 20505), (1110, 17771), (1367, 14430), (1443, 13670), (2405, 8202), (2734, 7215), (2886, 6835), (4101, 4810)]