19109896

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{19}}^2\times {\mathrm{509}}^1$

素因数の和:566

約数の個数: 48

約数和(自身を含む): 40805100

約数和(自身を除く): 21695204

約数列:

[1, 2, 4, 8, 13, 19, 26, 38, 52, 76, 104, 152, 247, 361, 494, 509, 722, 988, 1018, 1444, 1976, 2036, 2888, 4072, 4693, 6617, 9386, 9671, 13234, 18772, 19342, 26468, 37544, 38684, 52936, 77368, 125723, 183749, 251446, 367498, 502892, 734996, 1005784, 1469992, 2388737, 4777474, 9554948, 19109896]

約数ペア:

[(1, 19109896), (2, 9554948), (4, 4777474), (8, 2388737), (13, 1469992), (19, 1005784), (26, 734996), (38, 502892), (52, 367498), (76, 251446), (104, 183749), (152, 125723), (247, 77368), (361, 52936), (494, 38684), (509, 37544), (722, 26468), (988, 19342), (1018, 18772), (1444, 13234), (1976, 9671), (2036, 9386), (2888, 6617), (4072, 4693)]