18963558

素因数分解:

$2^1\times 3^4\times {\mathrm{19}}^1\times {\mathrm{61}}^1\times {\mathrm{101}}^1$

素因数の和:195

約数の個数: 80

約数和(自身を含む): 45912240

約数和(自身を除く): 26948682

約数列:

[1, 2, 3, 6, 9, 18, 19, 27, 38, 54, 57, 61, 81, 101, 114, 122, 162, 171, 183, 202, 303, 342, 366, 513, 549, 606, 909, 1026, 1098, 1159, 1539, 1647, 1818, 1919, 2318, 2727, 3078, 3294, 3477, 3838, 4941, 5454, 5757, 6161, 6954, 8181, 9882, 10431, 11514, 12322, 16362, 17271, 18483, 20862, 31293, 34542, 36966, 51813, 55449, 62586, 93879, 103626, 110898, 117059, 155439, 166347, 187758, 234118, 310878, 332694, 351177, 499041, 702354, 998082, 1053531, 2107062, 3160593, 6321186, 9481779, 18963558]

約数ペア:

[(1, 18963558), (2, 9481779), (3, 6321186), (6, 3160593), (9, 2107062), (18, 1053531), (19, 998082), (27, 702354), (38, 499041), (54, 351177), (57, 332694), (61, 310878), (81, 234118), (101, 187758), (114, 166347), (122, 155439), (162, 117059), (171, 110898), (183, 103626), (202, 93879), (303, 62586), (342, 55449), (366, 51813), (513, 36966), (549, 34542), (606, 31293), (909, 20862), (1026, 18483), (1098, 17271), (1159, 16362), (1539, 12322), (1647, 11514), (1818, 10431), (1919, 9882), (2318, 8181), (2727, 6954), (3078, 6161), (3294, 5757), (3477, 5454), (3838, 4941)]