19383740

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{47}}^1\times {\mathrm{1213}}^1$

素因数の和:1286

約数の個数: 48

約数和(自身を含む): 44053632

約数和(自身を除く): 24669892

約数列:

[1, 2, 4, 5, 10, 17, 20, 34, 47, 68, 85, 94, 170, 188, 235, 340, 470, 799, 940, 1213, 1598, 2426, 3196, 3995, 4852, 6065, 7990, 12130, 15980, 20621, 24260, 41242, 57011, 82484, 103105, 114022, 206210, 228044, 285055, 412420, 570110, 969187, 1140220, 1938374, 3876748, 4845935, 9691870, 19383740]

約数ペア:

[(1, 19383740), (2, 9691870), (4, 4845935), (5, 3876748), (10, 1938374), (17, 1140220), (20, 969187), (34, 570110), (47, 412420), (68, 285055), (85, 228044), (94, 206210), (170, 114022), (188, 103105), (235, 82484), (340, 57011), (470, 41242), (799, 24260), (940, 20621), (1213, 15980), (1598, 12130), (2426, 7990), (3196, 6065), (3995, 4852)]