19943958

素因数分解:

$2^1\times 3^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{41}}^1\times {\mathrm{251}}^1$

素因数の和:333

約数の個数: 64

約数和(自身を含む): 45722880

約数和(自身を除く): 25778922

約数列:

[1, 2, 3, 6, 17, 19, 34, 38, 41, 51, 57, 82, 102, 114, 123, 246, 251, 323, 502, 646, 697, 753, 779, 969, 1394, 1506, 1558, 1938, 2091, 2337, 4182, 4267, 4674, 4769, 8534, 9538, 10291, 12801, 13243, 14307, 20582, 25602, 26486, 28614, 30873, 39729, 61746, 79458, 81073, 162146, 174947, 195529, 243219, 349894, 391058, 486438, 524841, 586587, 1049682, 1173174, 3323993, 6647986, 9971979, 19943958]

約数ペア:

[(1, 19943958), (2, 9971979), (3, 6647986), (6, 3323993), (17, 1173174), (19, 1049682), (34, 586587), (38, 524841), (41, 486438), (51, 391058), (57, 349894), (82, 243219), (102, 195529), (114, 174947), (123, 162146), (246, 81073), (251, 79458), (323, 61746), (502, 39729), (646, 30873), (697, 28614), (753, 26486), (779, 25602), (969, 20582), (1394, 14307), (1506, 13243), (1558, 12801), (1938, 10291), (2091, 9538), (2337, 8534), (4182, 4769), (4267, 4674)]