19797894

素因数分解:

$2^1\times 3^2\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{29}}^1\times {\mathrm{97}}^1$

素因数の和:174

約数の個数: 96

約数和(自身を含む): 49533120

約数和(自身を除く): 29735226

約数列:

[1, 2, 3, 6, 9, 17, 18, 23, 29, 34, 46, 51, 58, 69, 87, 97, 102, 138, 153, 174, 194, 207, 261, 291, 306, 391, 414, 493, 522, 582, 667, 782, 873, 986, 1173, 1334, 1479, 1649, 1746, 2001, 2231, 2346, 2813, 2958, 3298, 3519, 4002, 4437, 4462, 4947, 5626, 6003, 6693, 7038, 8439, 8874, 9894, 11339, 12006, 13386, 14841, 16878, 20079, 22678, 25317, 29682, 34017, 37927, 40158, 47821, 50634, 64699, 68034, 75854, 95642, 102051, 113781, 129398, 143463, 194097, 204102, 227562, 286926, 341343, 388194, 430389, 582291, 682686, 860778, 1099883, 1164582, 2199766, 3299649, 6599298, 9898947, 19797894]

約数ペア:

[(1, 19797894), (2, 9898947), (3, 6599298), (6, 3299649), (9, 2199766), (17, 1164582), (18, 1099883), (23, 860778), (29, 682686), (34, 582291), (46, 430389), (51, 388194), (58, 341343), (69, 286926), (87, 227562), (97, 204102), (102, 194097), (138, 143463), (153, 129398), (174, 113781), (194, 102051), (207, 95642), (261, 75854), (291, 68034), (306, 64699), (391, 50634), (414, 47821), (493, 40158), (522, 37927), (582, 34017), (667, 29682), (782, 25317), (873, 22678), (986, 20079), (1173, 16878), (1334, 14841), (1479, 13386), (1649, 12006), (1746, 11339), (2001, 9894), (2231, 8874), (2346, 8439), (2813, 7038), (2958, 6693), (3298, 6003), (3519, 5626), (4002, 4947), (4437, 4462)]