19772236

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{67}}^1\times {\mathrm{353}}^1$

素因数の和:454

約数の個数: 48

約数和(自身を含む): 40440960

約数和(自身を除く): 20668724

約数列:

[1, 2, 4, 11, 19, 22, 38, 44, 67, 76, 134, 209, 268, 353, 418, 706, 737, 836, 1273, 1412, 1474, 2546, 2948, 3883, 5092, 6707, 7766, 13414, 14003, 15532, 23651, 26828, 28006, 47302, 56012, 73777, 94604, 147554, 260161, 295108, 449369, 520322, 898738, 1040644, 1797476, 4943059, 9886118, 19772236]

約数ペア:

[(1, 19772236), (2, 9886118), (4, 4943059), (11, 1797476), (19, 1040644), (22, 898738), (38, 520322), (44, 449369), (67, 295108), (76, 260161), (134, 147554), (209, 94604), (268, 73777), (353, 56012), (418, 47302), (706, 28006), (737, 26828), (836, 23651), (1273, 15532), (1412, 14003), (1474, 13414), (2546, 7766), (2948, 6707), (3883, 5092)]