19648710

素因数分解:

$2^1\times 3^3\times 5^1\times {\mathrm{61}}^1\times {\mathrm{1193}}^1$

素因数の和:1270

約数の個数: 64

約数和(自身を含む): 53300160

約数和(自身を除く): 33651450

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 27, 30, 45, 54, 61, 90, 122, 135, 183, 270, 305, 366, 549, 610, 915, 1098, 1193, 1647, 1830, 2386, 2745, 3294, 3579, 5490, 5965, 7158, 8235, 10737, 11930, 16470, 17895, 21474, 32211, 35790, 53685, 64422, 72773, 107370, 145546, 161055, 218319, 322110, 363865, 436638, 654957, 727730, 1091595, 1309914, 1964871, 2183190, 3274785, 3929742, 6549570, 9824355, 19648710]

約数ペア:

[(1, 19648710), (2, 9824355), (3, 6549570), (5, 3929742), (6, 3274785), (9, 2183190), (10, 1964871), (15, 1309914), (18, 1091595), (27, 727730), (30, 654957), (45, 436638), (54, 363865), (61, 322110), (90, 218319), (122, 161055), (135, 145546), (183, 107370), (270, 72773), (305, 64422), (366, 53685), (549, 35790), (610, 32211), (915, 21474), (1098, 17895), (1193, 16470), (1647, 11930), (1830, 10737), (2386, 8235), (2745, 7158), (3294, 5965), (3579, 5490)]