18715472172

素因数分解:

$2^2\times 3^5\times {\mathrm{331}}^1\times {\mathrm{58171}}^1$

素因数の和:58521

約数の個数: 72

約数和(自身を含む): 49209788992

約数和(自身を除く): 30494316820

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 27, 36, 54, 81, 108, 162, 243, 324, 331, 486, 662, 972, 993, 1324, 1986, 2979, 3972, 5958, 8937, 11916, 17874, 26811, 35748, 53622, 58171, 80433, 107244, 116342, 160866, 174513, 232684, 321732, 349026, 523539, 698052, 1047078, 1570617, 2094156, 3141234, 4711851, 6282468, 9423702, 14135553, 18847404, 19254601, 28271106, 38509202, 56542212, 57763803, 77018404, 115527606, 173291409, 231055212, 346582818, 519874227, 693165636, 1039748454, 1559622681, 2079496908, 3119245362, 4678868043, 6238490724, 9357736086, 18715472172]

約数ペア:

[(1, 18715472172), (2, 9357736086), (3, 6238490724), (4, 4678868043), (6, 3119245362), (9, 2079496908), (12, 1559622681), (18, 1039748454), (27, 693165636), (36, 519874227), (54, 346582818), (81, 231055212), (108, 173291409), (162, 115527606), (243, 77018404), (324, 57763803), (331, 56542212), (486, 38509202), (662, 28271106), (972, 19254601), (993, 18847404), (1324, 14135553), (1986, 9423702), (2979, 6282468), (3972, 4711851), (5958, 3141234), (8937, 2094156), (11916, 1570617), (17874, 1047078), (26811, 698052), (35748, 523539), (53622, 349026), (58171, 321732), (80433, 232684), (107244, 174513), (116342, 160866)]