19712238

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{79}}^1\times {\mathrm{457}}^1$

素因数の和:561

約数の個数: 64

約数和(自身を含む): 49244160

約数和(自身を除く): 29531922

約数列:

[1, 2, 3, 6, 7, 13, 14, 21, 26, 39, 42, 78, 79, 91, 158, 182, 237, 273, 457, 474, 546, 553, 914, 1027, 1106, 1371, 1659, 2054, 2742, 3081, 3199, 3318, 5941, 6162, 6398, 7189, 9597, 11882, 14378, 17823, 19194, 21567, 35646, 36103, 41587, 43134, 72206, 83174, 108309, 124761, 216618, 249522, 252721, 469339, 505442, 758163, 938678, 1408017, 1516326, 2816034, 3285373, 6570746, 9856119, 19712238]

約数ペア:

[(1, 19712238), (2, 9856119), (3, 6570746), (6, 3285373), (7, 2816034), (13, 1516326), (14, 1408017), (21, 938678), (26, 758163), (39, 505442), (42, 469339), (78, 252721), (79, 249522), (91, 216618), (158, 124761), (182, 108309), (237, 83174), (273, 72206), (457, 43134), (474, 41587), (546, 36103), (553, 35646), (914, 21567), (1027, 19194), (1106, 17823), (1371, 14378), (1659, 11882), (2054, 9597), (2742, 7189), (3081, 6398), (3199, 6162), (3318, 5941)]