19998478932

素因数分解:

$2^2\times 3^1\times {\mathrm{23}}^2\times {\mathrm{1277}}^1\times {\mathrm{2467}}^1$

素因数の和:3797

約数の個数: 72

約数和(自身を含む): 48838146336

約数和(自身を除く): 28839667404

約数列:

[1, 2, 3, 4, 6, 12, 23, 46, 69, 92, 138, 276, 529, 1058, 1277, 1587, 2116, 2467, 2554, 3174, 3831, 4934, 5108, 6348, 7401, 7662, 9868, 14802, 15324, 29371, 29604, 56741, 58742, 88113, 113482, 117484, 170223, 176226, 226964, 340446, 352452, 675533, 680892, 1305043, 1351066, 2026599, 2610086, 2702132, 3150359, 3915129, 4053198, 5220172, 6300718, 7830258, 8106396, 9451077, 12601436, 15660516, 18902154, 37804308, 72458257, 144916514, 217374771, 289833028, 434749542, 869499084, 1666539911, 3333079822, 4999619733, 6666159644, 9999239466, 19998478932]

約数ペア:

[(1, 19998478932), (2, 9999239466), (3, 6666159644), (4, 4999619733), (6, 3333079822), (12, 1666539911), (23, 869499084), (46, 434749542), (69, 289833028), (92, 217374771), (138, 144916514), (276, 72458257), (529, 37804308), (1058, 18902154), (1277, 15660516), (1587, 12601436), (2116, 9451077), (2467, 8106396), (2554, 7830258), (3174, 6300718), (3831, 5220172), (4934, 4053198), (5108, 3915129), (6348, 3150359), (7401, 2702132), (7662, 2610086), (9868, 2026599), (14802, 1351066), (15324, 1305043), (29371, 680892), (29604, 675533), (56741, 352452), (58742, 340446), (88113, 226964), (113482, 176226), (117484, 170223)]