18879894

素因数分解:

$2^1\times 3^2\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{71}}^1\times {\mathrm{79}}^1$

素因数の和:186

約数の個数: 96

約数和(自身を含む): 48522240

約数和(自身を除く): 29642346

約数列:

[1, 2, 3, 6, 9, 11, 17, 18, 22, 33, 34, 51, 66, 71, 79, 99, 102, 142, 153, 158, 187, 198, 213, 237, 306, 374, 426, 474, 561, 639, 711, 781, 869, 1122, 1207, 1278, 1343, 1422, 1562, 1683, 1738, 2343, 2414, 2607, 2686, 3366, 3621, 4029, 4686, 5214, 5609, 7029, 7242, 7821, 8058, 10863, 11218, 12087, 13277, 14058, 14773, 15642, 16827, 21726, 24174, 26554, 29546, 33654, 39831, 44319, 50481, 61699, 79662, 88638, 95353, 100962, 119493, 123398, 132957, 185097, 190706, 238986, 265914, 286059, 370194, 555291, 572118, 858177, 1048883, 1110582, 1716354, 2097766, 3146649, 6293298, 9439947, 18879894]

約数ペア:

[(1, 18879894), (2, 9439947), (3, 6293298), (6, 3146649), (9, 2097766), (11, 1716354), (17, 1110582), (18, 1048883), (22, 858177), (33, 572118), (34, 555291), (51, 370194), (66, 286059), (71, 265914), (79, 238986), (99, 190706), (102, 185097), (142, 132957), (153, 123398), (158, 119493), (187, 100962), (198, 95353), (213, 88638), (237, 79662), (306, 61699), (374, 50481), (426, 44319), (474, 39831), (561, 33654), (639, 29546), (711, 26554), (781, 24174), (869, 21726), (1122, 16827), (1207, 15642), (1278, 14773), (1343, 14058), (1422, 13277), (1562, 12087), (1683, 11218), (1738, 10863), (2343, 8058), (2414, 7821), (2607, 7242), (2686, 7029), (3366, 5609), (3621, 5214), (4029, 4686)]