19706355

素因数分解:

$3^3\times 5^1\times {\mathrm{61}}^1\times {\mathrm{2393}}^1$

素因数の和:2468

約数の個数: 32

約数和(自身を含む): 35622720

約数和(自身を除く): 15916365

約数列:

[1, 3, 5, 9, 15, 27, 45, 61, 135, 183, 305, 549, 915, 1647, 2393, 2745, 7179, 8235, 11965, 21537, 35895, 64611, 107685, 145973, 323055, 437919, 729865, 1313757, 2189595, 3941271, 6568785, 19706355]

約数ペア:

[(1, 19706355), (3, 6568785), (5, 3941271), (9, 2189595), (15, 1313757), (27, 729865), (45, 437919), (61, 323055), (135, 145973), (183, 107685), (305, 64611), (549, 35895), (915, 21537), (1647, 11965), (2393, 8235), (2745, 7179)]