20181951804

素因数分解:

$2^2\times 3^1\times 7^1\times {\mathrm{107}}^1\times {\mathrm{353}}^1\times {\mathrm{6361}}^1$

素因数の和:6835

約数の個数: 96

約数和(自身を含む): 54483964416

約数和(自身を除く): 34302012612

約数列:

[1, 2, 3, 4, 6, 7, 12, 14, 21, 28, 42, 84, 107, 214, 321, 353, 428, 642, 706, 749, 1059, 1284, 1412, 1498, 2118, 2247, 2471, 2996, 4236, 4494, 4942, 6361, 7413, 8988, 9884, 12722, 14826, 19083, 25444, 29652, 37771, 38166, 44527, 75542, 76332, 89054, 113313, 133581, 151084, 178108, 226626, 264397, 267162, 453252, 528794, 534324, 680627, 793191, 1057588, 1361254, 1586382, 2041881, 2245433, 2722508, 3172764, 4083762, 4490866, 4764389, 6736299, 8167524, 8981732, 9528778, 13472598, 14293167, 15718031, 19057556, 26945196, 28586334, 31436062, 47154093, 57172668, 62872124, 94308186, 188616372, 240261331, 480522662, 720783993, 961045324, 1441567986, 1681829317, 2883135972, 3363658634, 5045487951, 6727317268, 10090975902, 20181951804]

約数ペア:

[(1, 20181951804), (2, 10090975902), (3, 6727317268), (4, 5045487951), (6, 3363658634), (7, 2883135972), (12, 1681829317), (14, 1441567986), (21, 961045324), (28, 720783993), (42, 480522662), (84, 240261331), (107, 188616372), (214, 94308186), (321, 62872124), (353, 57172668), (428, 47154093), (642, 31436062), (706, 28586334), (749, 26945196), (1059, 19057556), (1284, 15718031), (1412, 14293167), (1498, 13472598), (2118, 9528778), (2247, 8981732), (2471, 8167524), (2996, 6736299), (4236, 4764389), (4494, 4490866), (4942, 4083762), (6361, 3172764), (7413, 2722508), (8988, 2245433), (9884, 2041881), (12722, 1586382), (14826, 1361254), (19083, 1057588), (25444, 793191), (29652, 680627), (37771, 534324), (38166, 528794), (44527, 453252), (75542, 267162), (76332, 264397), (89054, 226626), (113313, 178108), (133581, 151084)]