18892916

素因数分解:

$2^2\times 7^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{2089}}^1$

素因数の和:2136

約数の個数: 48

約数和(自身を含む): 42134400

約数和(自身を除く): 23241484

約数列:

[1, 2, 4, 7, 14, 17, 19, 28, 34, 38, 68, 76, 119, 133, 238, 266, 323, 476, 532, 646, 1292, 2089, 2261, 4178, 4522, 8356, 9044, 14623, 29246, 35513, 39691, 58492, 71026, 79382, 142052, 158764, 248591, 277837, 497182, 555674, 674747, 994364, 1111348, 1349494, 2698988, 4723229, 9446458, 18892916]

約数ペア:

[(1, 18892916), (2, 9446458), (4, 4723229), (7, 2698988), (14, 1349494), (17, 1111348), (19, 994364), (28, 674747), (34, 555674), (38, 497182), (68, 277837), (76, 248591), (119, 158764), (133, 142052), (238, 79382), (266, 71026), (323, 58492), (476, 39691), (532, 35513), (646, 29246), (1292, 14623), (2089, 9044), (2261, 8356), (4178, 4522)]