18862668

素因数分解:

$2^2\times 3^2\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{109}}^1$

素因数の和:172

約数の個数: 144

約数和(自身を含む): 57657600

約数和(自身を除く): 38794932

約数列:

[1, 2, 3, 4, 6, 9, 11, 12, 18, 19, 22, 23, 33, 36, 38, 44, 46, 57, 66, 69, 76, 92, 99, 109, 114, 132, 138, 171, 198, 207, 209, 218, 228, 253, 276, 327, 342, 396, 414, 418, 436, 437, 506, 627, 654, 684, 759, 828, 836, 874, 981, 1012, 1199, 1254, 1308, 1311, 1518, 1748, 1881, 1962, 2071, 2277, 2398, 2507, 2508, 2622, 3036, 3597, 3762, 3924, 3933, 4142, 4554, 4796, 4807, 5014, 5244, 6213, 7194, 7521, 7524, 7866, 8284, 9108, 9614, 10028, 10791, 12426, 14388, 14421, 15042, 15732, 18639, 19228, 21582, 22563, 22781, 24852, 27577, 28842, 30084, 37278, 43164, 43263, 45126, 45562, 47633, 55154, 57684, 68343, 74556, 82731, 86526, 90252, 91124, 95266, 110308, 136686, 142899, 165462, 173052, 190532, 205029, 248193, 273372, 285798, 330924, 410058, 428697, 496386, 523963, 571596, 820116, 857394, 992772, 1047926, 1571889, 1714788, 2095852, 3143778, 4715667, 6287556, 9431334, 18862668]

約数ペア:

[(1, 18862668), (2, 9431334), (3, 6287556), (4, 4715667), (6, 3143778), (9, 2095852), (11, 1714788), (12, 1571889), (18, 1047926), (19, 992772), (22, 857394), (23, 820116), (33, 571596), (36, 523963), (38, 496386), (44, 428697), (46, 410058), (57, 330924), (66, 285798), (69, 273372), (76, 248193), (92, 205029), (99, 190532), (109, 173052), (114, 165462), (132, 142899), (138, 136686), (171, 110308), (198, 95266), (207, 91124), (209, 90252), (218, 86526), (228, 82731), (253, 74556), (276, 68343), (327, 57684), (342, 55154), (396, 47633), (414, 45562), (418, 45126), (436, 43263), (437, 43164), (506, 37278), (627, 30084), (654, 28842), (684, 27577), (759, 24852), (828, 22781), (836, 22563), (874, 21582), (981, 19228), (1012, 18639), (1199, 15732), (1254, 15042), (1308, 14421), (1311, 14388), (1518, 12426), (1748, 10791), (1881, 10028), (1962, 9614), (2071, 9108), (2277, 8284), (2398, 7866), (2507, 7524), (2508, 7521), (2622, 7194), (3036, 6213), (3597, 5244), (3762, 5014), (3924, 4807), (3933, 4796), (4142, 4554)]