19453356

素因数分解:

$2^2\times 3^2\times {\mathrm{13}}^1\times {\mathrm{197}}^1\times {\mathrm{211}}^1$

素因数の和:431

約数の個数: 72

約数和(自身を含む): 53477424

約数和(自身を除く): 34024068

約数列:

[1, 2, 3, 4, 6, 9, 12, 13, 18, 26, 36, 39, 52, 78, 117, 156, 197, 211, 234, 394, 422, 468, 591, 633, 788, 844, 1182, 1266, 1773, 1899, 2364, 2532, 2561, 2743, 3546, 3798, 5122, 5486, 7092, 7596, 7683, 8229, 10244, 10972, 15366, 16458, 23049, 24687, 30732, 32916, 41567, 46098, 49374, 83134, 92196, 98748, 124701, 166268, 249402, 374103, 498804, 540371, 748206, 1080742, 1496412, 1621113, 2161484, 3242226, 4863339, 6484452, 9726678, 19453356]

約数ペア:

[(1, 19453356), (2, 9726678), (3, 6484452), (4, 4863339), (6, 3242226), (9, 2161484), (12, 1621113), (13, 1496412), (18, 1080742), (26, 748206), (36, 540371), (39, 498804), (52, 374103), (78, 249402), (117, 166268), (156, 124701), (197, 98748), (211, 92196), (234, 83134), (394, 49374), (422, 46098), (468, 41567), (591, 32916), (633, 30732), (788, 24687), (844, 23049), (1182, 16458), (1266, 15366), (1773, 10972), (1899, 10244), (2364, 8229), (2532, 7683), (2561, 7596), (2743, 7092), (3546, 5486), (3798, 5122)]