19720779618

素因数分解:

$2^1\times 3^1\times {\mathrm{59}}^1\times {\mathrm{73}}^1\times {\mathrm{487}}^1\times {\mathrm{1567}}^1$

素因数の和:2191

約数の個数: 64

約数和(自身を含む): 40769003520

約数和(自身を除く): 21048223902

約数列:

[1, 2, 3, 6, 59, 73, 118, 146, 177, 219, 354, 438, 487, 974, 1461, 1567, 2922, 3134, 4307, 4701, 8614, 9402, 12921, 25842, 28733, 35551, 57466, 71102, 86199, 92453, 106653, 114391, 172398, 184906, 213306, 228782, 277359, 343173, 554718, 686346, 763129, 1526258, 2097509, 2289387, 4195018, 4578774, 6292527, 6749069, 12585054, 13498138, 20247207, 40494414, 45024611, 55708417, 90049222, 111416834, 135073833, 167125251, 270147666, 334250502, 3286796603, 6573593206, 9860389809, 19720779618]

約数ペア:

[(1, 19720779618), (2, 9860389809), (3, 6573593206), (6, 3286796603), (59, 334250502), (73, 270147666), (118, 167125251), (146, 135073833), (177, 111416834), (219, 90049222), (354, 55708417), (438, 45024611), (487, 40494414), (974, 20247207), (1461, 13498138), (1567, 12585054), (2922, 6749069), (3134, 6292527), (4307, 4578774), (4701, 4195018), (8614, 2289387), (9402, 2097509), (12921, 1526258), (25842, 763129), (28733, 686346), (35551, 554718), (57466, 343173), (71102, 277359), (86199, 228782), (92453, 213306), (106653, 184906), (114391, 172398)]