18540132

素因数分解:

$2^2\times 3^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{6991}}^1$

素因数の和:7028

約数の個数: 48

約数和(自身を含む): 49335552

約数和(自身を除く): 30795420

約数列:

[1, 2, 3, 4, 6, 12, 13, 17, 26, 34, 39, 51, 52, 68, 78, 102, 156, 204, 221, 442, 663, 884, 1326, 2652, 6991, 13982, 20973, 27964, 41946, 83892, 90883, 118847, 181766, 237694, 272649, 356541, 363532, 475388, 545298, 713082, 1090596, 1426164, 1545011, 3090022, 4635033, 6180044, 9270066, 18540132]

約数ペア:

[(1, 18540132), (2, 9270066), (3, 6180044), (4, 4635033), (6, 3090022), (12, 1545011), (13, 1426164), (17, 1090596), (26, 713082), (34, 545298), (39, 475388), (51, 363532), (52, 356541), (68, 272649), (78, 237694), (102, 181766), (156, 118847), (204, 90883), (221, 83892), (442, 41946), (663, 27964), (884, 20973), (1326, 13982), (2652, 6991)]