19303011

素因数分解:

$3^2\times 7^3\times {\mathrm{13}}^2\times {\mathrm{37}}^1$

素因数の和:90

約数の個数: 72

約数和(自身を含む): 36160800

約数和(自身を除く): 16857789

約数列:

[1, 3, 7, 9, 13, 21, 37, 39, 49, 63, 91, 111, 117, 147, 169, 259, 273, 333, 343, 441, 481, 507, 637, 777, 819, 1029, 1183, 1443, 1521, 1813, 1911, 2331, 3087, 3367, 3549, 4329, 4459, 5439, 5733, 6253, 8281, 10101, 10647, 12691, 13377, 16317, 18759, 23569, 24843, 30303, 38073, 40131, 43771, 56277, 57967, 70707, 74529, 114219, 131313, 164983, 173901, 212121, 306397, 393939, 494949, 521703, 919191, 1484847, 2144779, 2757573, 6434337, 19303011]

約数ペア:

[(1, 19303011), (3, 6434337), (7, 2757573), (9, 2144779), (13, 1484847), (21, 919191), (37, 521703), (39, 494949), (49, 393939), (63, 306397), (91, 212121), (111, 173901), (117, 164983), (147, 131313), (169, 114219), (259, 74529), (273, 70707), (333, 57967), (343, 56277), (441, 43771), (481, 40131), (507, 38073), (637, 30303), (777, 24843), (819, 23569), (1029, 18759), (1183, 16317), (1443, 13377), (1521, 12691), (1813, 10647), (1911, 10101), (2331, 8281), (3087, 6253), (3367, 5733), (3549, 5439), (4329, 4459)]