19511388

素因数分解:

$2^2\times 3^3\times {\mathrm{13}}^2\times {\mathrm{1069}}^1$

素因数の和:1108

約数の個数: 72

約数和(自身を含む): 54826800

約数和(自身を除く): 35315412

約数列:

[1, 2, 3, 4, 6, 9, 12, 13, 18, 26, 27, 36, 39, 52, 54, 78, 108, 117, 156, 169, 234, 338, 351, 468, 507, 676, 702, 1014, 1069, 1404, 1521, 2028, 2138, 3042, 3207, 4276, 4563, 6084, 6414, 9126, 9621, 12828, 13897, 18252, 19242, 27794, 28863, 38484, 41691, 55588, 57726, 83382, 115452, 125073, 166764, 180661, 250146, 361322, 375219, 500292, 541983, 722644, 750438, 1083966, 1500876, 1625949, 2167932, 3251898, 4877847, 6503796, 9755694, 19511388]

約数ペア:

[(1, 19511388), (2, 9755694), (3, 6503796), (4, 4877847), (6, 3251898), (9, 2167932), (12, 1625949), (13, 1500876), (18, 1083966), (26, 750438), (27, 722644), (36, 541983), (39, 500292), (52, 375219), (54, 361322), (78, 250146), (108, 180661), (117, 166764), (156, 125073), (169, 115452), (234, 83382), (338, 57726), (351, 55588), (468, 41691), (507, 38484), (676, 28863), (702, 27794), (1014, 19242), (1069, 18252), (1404, 13897), (1521, 12828), (2028, 9621), (2138, 9126), (3042, 6414), (3207, 6084), (4276, 4563)]