17919954

素因数分解:

$2^1\times 3^4\times {\mathrm{13}}^1\times {\mathrm{67}}^1\times {\mathrm{127}}^1$

素因数の和:221

約数の個数: 80

約数和(自身を含む): 44233728

約数和(自身を除く): 26313774

約数列:

[1, 2, 3, 6, 9, 13, 18, 26, 27, 39, 54, 67, 78, 81, 117, 127, 134, 162, 201, 234, 254, 351, 381, 402, 603, 702, 762, 871, 1053, 1143, 1206, 1651, 1742, 1809, 2106, 2286, 2613, 3302, 3429, 3618, 4953, 5226, 5427, 6858, 7839, 8509, 9906, 10287, 10854, 14859, 15678, 17018, 20574, 23517, 25527, 29718, 44577, 47034, 51054, 70551, 76581, 89154, 110617, 133731, 141102, 153162, 221234, 229743, 267462, 331851, 459486, 663702, 689229, 995553, 1378458, 1991106, 2986659, 5973318, 8959977, 17919954]

約数ペア:

[(1, 17919954), (2, 8959977), (3, 5973318), (6, 2986659), (9, 1991106), (13, 1378458), (18, 995553), (26, 689229), (27, 663702), (39, 459486), (54, 331851), (67, 267462), (78, 229743), (81, 221234), (117, 153162), (127, 141102), (134, 133731), (162, 110617), (201, 89154), (234, 76581), (254, 70551), (351, 51054), (381, 47034), (402, 44577), (603, 29718), (702, 25527), (762, 23517), (871, 20574), (1053, 17018), (1143, 15678), (1206, 14859), (1651, 10854), (1742, 10287), (1809, 9906), (2106, 8509), (2286, 7839), (2613, 6858), (3302, 5427), (3429, 5226), (3618, 4953)]