19942425

素因数分解:

$3^2\times 5^2\times {\mathrm{61}}^1\times {\mathrm{1453}}^1$

素因数の和:1530

約数の個数: 36

約数和(自身を含む): 36329644

約数和(自身を除く): 16387219

約数列:

[1, 3, 5, 9, 15, 25, 45, 61, 75, 183, 225, 305, 549, 915, 1453, 1525, 2745, 4359, 4575, 7265, 13077, 13725, 21795, 36325, 65385, 88633, 108975, 265899, 326925, 443165, 797697, 1329495, 2215825, 3988485, 6647475, 19942425]

約数ペア:

[(1, 19942425), (3, 6647475), (5, 3988485), (9, 2215825), (15, 1329495), (25, 797697), (45, 443165), (61, 326925), (75, 265899), (183, 108975), (225, 88633), (305, 65385), (549, 36325), (915, 21795), (1453, 13725), (1525, 13077), (2745, 7265), (4359, 4575)]