16978932

素因数分解:

$2^2\times 3^2\times {\mathrm{19}}^1\times {\mathrm{103}}^1\times {\mathrm{241}}^1$

素因数の和:373

約数の個数: 72

約数和(自身を含む): 45805760

約数和(自身を除く): 28826828

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 19, 36, 38, 57, 76, 103, 114, 171, 206, 228, 241, 309, 342, 412, 482, 618, 684, 723, 927, 964, 1236, 1446, 1854, 1957, 2169, 2892, 3708, 3914, 4338, 4579, 5871, 7828, 8676, 9158, 11742, 13737, 17613, 18316, 23484, 24823, 27474, 35226, 41211, 49646, 54948, 70452, 74469, 82422, 99292, 148938, 164844, 223407, 297876, 446814, 471637, 893628, 943274, 1414911, 1886548, 2829822, 4244733, 5659644, 8489466, 16978932]

約数ペア:

[(1, 16978932), (2, 8489466), (3, 5659644), (4, 4244733), (6, 2829822), (9, 1886548), (12, 1414911), (18, 943274), (19, 893628), (36, 471637), (38, 446814), (57, 297876), (76, 223407), (103, 164844), (114, 148938), (171, 99292), (206, 82422), (228, 74469), (241, 70452), (309, 54948), (342, 49646), (412, 41211), (482, 35226), (618, 27474), (684, 24823), (723, 23484), (927, 18316), (964, 17613), (1236, 13737), (1446, 11742), (1854, 9158), (1957, 8676), (2169, 7828), (2892, 5871), (3708, 4579), (3914, 4338)]