18918285

素因数分解:

$3^1\times 5^1\times {\mathrm{37}}^1\times {\mathrm{89}}^1\times {\mathrm{383}}^1$

素因数の和:517

約数の個数: 32

約数和(自身を含む): 31518720

約数和(自身を除く): 12600435

約数列:

[1, 3, 5, 15, 37, 89, 111, 185, 267, 383, 445, 555, 1149, 1335, 1915, 3293, 5745, 9879, 14171, 16465, 34087, 42513, 49395, 70855, 102261, 170435, 212565, 511305, 1261219, 3783657, 6306095, 18918285]

約数ペア:

[(1, 18918285), (3, 6306095), (5, 3783657), (15, 1261219), (37, 511305), (89, 212565), (111, 170435), (185, 102261), (267, 70855), (383, 49395), (445, 42513), (555, 34087), (1149, 16465), (1335, 14171), (1915, 9879), (3293, 5745)]