19437012

素因数分解:

$2^2\times 3^2\times 7^1\times {\mathrm{137}}^1\times {\mathrm{563}}^1$

素因数の和:717

約数の個数: 72

約数和(自身を含む): 56661696

約数和(自身を除く): 37224684

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 21, 28, 36, 42, 63, 84, 126, 137, 252, 274, 411, 548, 563, 822, 959, 1126, 1233, 1644, 1689, 1918, 2252, 2466, 2877, 3378, 3836, 3941, 4932, 5067, 5754, 6756, 7882, 8631, 10134, 11508, 11823, 15764, 17262, 20268, 23646, 34524, 35469, 47292, 70938, 77131, 141876, 154262, 231393, 308524, 462786, 539917, 694179, 925572, 1079834, 1388358, 1619751, 2159668, 2776716, 3239502, 4859253, 6479004, 9718506, 19437012]

約数ペア:

[(1, 19437012), (2, 9718506), (3, 6479004), (4, 4859253), (6, 3239502), (7, 2776716), (9, 2159668), (12, 1619751), (14, 1388358), (18, 1079834), (21, 925572), (28, 694179), (36, 539917), (42, 462786), (63, 308524), (84, 231393), (126, 154262), (137, 141876), (252, 77131), (274, 70938), (411, 47292), (548, 35469), (563, 34524), (822, 23646), (959, 20268), (1126, 17262), (1233, 15764), (1644, 11823), (1689, 11508), (1918, 10134), (2252, 8631), (2466, 7882), (2877, 6756), (3378, 5754), (3836, 5067), (3941, 4932)]