18831696

素因数分解:

$2^4\times 3^1\times {\mathrm{13}}^1\times {\mathrm{103}}^1\times {\mathrm{293}}^1$

素因数の和:420

約数の個数: 80

約数和(自身を含む): 53079936

約数和(自身を除く): 34248240

約数列:

[1, 2, 3, 4, 6, 8, 12, 13, 16, 24, 26, 39, 48, 52, 78, 103, 104, 156, 206, 208, 293, 309, 312, 412, 586, 618, 624, 824, 879, 1172, 1236, 1339, 1648, 1758, 2344, 2472, 2678, 3516, 3809, 4017, 4688, 4944, 5356, 7032, 7618, 8034, 10712, 11427, 14064, 15236, 16068, 21424, 22854, 30179, 30472, 32136, 45708, 60358, 60944, 64272, 90537, 91416, 120716, 181074, 182832, 241432, 362148, 392327, 482864, 724296, 784654, 1176981, 1448592, 1569308, 2353962, 3138616, 4707924, 6277232, 9415848, 18831696]

約数ペア:

[(1, 18831696), (2, 9415848), (3, 6277232), (4, 4707924), (6, 3138616), (8, 2353962), (12, 1569308), (13, 1448592), (16, 1176981), (24, 784654), (26, 724296), (39, 482864), (48, 392327), (52, 362148), (78, 241432), (103, 182832), (104, 181074), (156, 120716), (206, 91416), (208, 90537), (293, 64272), (309, 60944), (312, 60358), (412, 45708), (586, 32136), (618, 30472), (624, 30179), (824, 22854), (879, 21424), (1172, 16068), (1236, 15236), (1339, 14064), (1648, 11427), (1758, 10712), (2344, 8034), (2472, 7618), (2678, 7032), (3516, 5356), (3809, 4944), (4017, 4688)]