18916716

素因数分解:

$2^2\times 3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{1019}}^1$

素因数の和:1063

約数の個数: 96

約数和(自身を含む): 57576960

約数和(自身を除く): 38660244

約数列:

[1, 2, 3, 4, 6, 7, 12, 13, 14, 17, 21, 26, 28, 34, 39, 42, 51, 52, 68, 78, 84, 91, 102, 119, 156, 182, 204, 221, 238, 273, 357, 364, 442, 476, 546, 663, 714, 884, 1019, 1092, 1326, 1428, 1547, 2038, 2652, 3057, 3094, 4076, 4641, 6114, 6188, 7133, 9282, 12228, 13247, 14266, 17323, 18564, 21399, 26494, 28532, 34646, 39741, 42798, 51969, 52988, 69292, 79482, 85596, 92729, 103938, 121261, 158964, 185458, 207876, 225199, 242522, 278187, 363783, 370916, 450398, 485044, 556374, 675597, 727566, 900796, 1112748, 1351194, 1455132, 1576393, 2702388, 3152786, 4729179, 6305572, 9458358, 18916716]

約数ペア:

[(1, 18916716), (2, 9458358), (3, 6305572), (4, 4729179), (6, 3152786), (7, 2702388), (12, 1576393), (13, 1455132), (14, 1351194), (17, 1112748), (21, 900796), (26, 727566), (28, 675597), (34, 556374), (39, 485044), (42, 450398), (51, 370916), (52, 363783), (68, 278187), (78, 242522), (84, 225199), (91, 207876), (102, 185458), (119, 158964), (156, 121261), (182, 103938), (204, 92729), (221, 85596), (238, 79482), (273, 69292), (357, 52988), (364, 51969), (442, 42798), (476, 39741), (546, 34646), (663, 28532), (714, 26494), (884, 21399), (1019, 18564), (1092, 17323), (1326, 14266), (1428, 13247), (1547, 12228), (2038, 9282), (2652, 7133), (3057, 6188), (3094, 6114), (4076, 4641)]