19019168

素因数分解:

$2^5\times 7^1\times {\mathrm{197}}^1\times {\mathrm{431}}^1$

素因数の和:645

約数の個数: 48

約数和(自身を含む): 43110144

約数和(自身を除く): 24090976

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 56, 112, 197, 224, 394, 431, 788, 862, 1379, 1576, 1724, 2758, 3017, 3152, 3448, 5516, 6034, 6304, 6896, 11032, 12068, 13792, 22064, 24136, 44128, 48272, 84907, 96544, 169814, 339628, 594349, 679256, 1188698, 1358512, 2377396, 2717024, 4754792, 9509584, 19019168]

約数ペア:

[(1, 19019168), (2, 9509584), (4, 4754792), (7, 2717024), (8, 2377396), (14, 1358512), (16, 1188698), (28, 679256), (32, 594349), (56, 339628), (112, 169814), (197, 96544), (224, 84907), (394, 48272), (431, 44128), (788, 24136), (862, 22064), (1379, 13792), (1576, 12068), (1724, 11032), (2758, 6896), (3017, 6304), (3152, 6034), (3448, 5516)]