16638726

素因数分解:

$2^1\times 3^1\times {\mathrm{13}}^2\times {\mathrm{61}}^1\times {\mathrm{269}}^1$

素因数の和:361

約数の個数: 48

約数和(自身を含む): 36761040

約数和(自身を除く): 20122314

約数列:

[1, 2, 3, 6, 13, 26, 39, 61, 78, 122, 169, 183, 269, 338, 366, 507, 538, 793, 807, 1014, 1586, 1614, 2379, 3497, 4758, 6994, 10309, 10491, 16409, 20618, 20982, 30927, 32818, 45461, 49227, 61854, 90922, 98454, 136383, 213317, 272766, 426634, 639951, 1279902, 2773121, 5546242, 8319363, 16638726]

約数ペア:

[(1, 16638726), (2, 8319363), (3, 5546242), (6, 2773121), (13, 1279902), (26, 639951), (39, 426634), (61, 272766), (78, 213317), (122, 136383), (169, 98454), (183, 90922), (269, 61854), (338, 49227), (366, 45461), (507, 32818), (538, 30927), (793, 20982), (807, 20618), (1014, 16409), (1586, 10491), (1614, 10309), (2379, 6994), (3497, 4758)]