18846765

素因数分解:

$3^2\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{47}}^1\times {\mathrm{67}}^1$

素因数の和:151

約数の個数: 96

約数和(自身を含む): 40734720

約数和(自身を除く): 21887955

約数列:

[1, 3, 5, 7, 9, 15, 19, 21, 35, 45, 47, 57, 63, 67, 95, 105, 133, 141, 171, 201, 235, 285, 315, 329, 335, 399, 423, 469, 603, 665, 705, 855, 893, 987, 1005, 1197, 1273, 1407, 1645, 1995, 2115, 2345, 2679, 2961, 3015, 3149, 3819, 4221, 4465, 4935, 5985, 6251, 6365, 7035, 8037, 8911, 9447, 11457, 13395, 14805, 15745, 18753, 19095, 21105, 22043, 26733, 28341, 31255, 40185, 44555, 47235, 56259, 57285, 59831, 66129, 80199, 93765, 110215, 133665, 141705, 179493, 198387, 281295, 299155, 330645, 400995, 418817, 538479, 897465, 991935, 1256451, 2094085, 2692395, 3769353, 6282255, 18846765]

約数ペア:

[(1, 18846765), (3, 6282255), (5, 3769353), (7, 2692395), (9, 2094085), (15, 1256451), (19, 991935), (21, 897465), (35, 538479), (45, 418817), (47, 400995), (57, 330645), (63, 299155), (67, 281295), (95, 198387), (105, 179493), (133, 141705), (141, 133665), (171, 110215), (201, 93765), (235, 80199), (285, 66129), (315, 59831), (329, 57285), (335, 56259), (399, 47235), (423, 44555), (469, 40185), (603, 31255), (665, 28341), (705, 26733), (855, 22043), (893, 21105), (987, 19095), (1005, 18753), (1197, 15745), (1273, 14805), (1407, 13395), (1645, 11457), (1995, 9447), (2115, 8911), (2345, 8037), (2679, 7035), (2961, 6365), (3015, 6251), (3149, 5985), (3819, 4935), (4221, 4465)]