18728830

素因数分解:

$2^1\times 5^1\times {\mathrm{61}}^1\times {\mathrm{30703}}^1$

素因数の和:30771

約数の個数: 16

約数和(自身を含む): 34265664

約数和(自身を除く): 15536834

約数列:

[1, 2, 5, 10, 61, 122, 305, 610, 30703, 61406, 153515, 307030, 1872883, 3745766, 9364415, 18728830]

約数ペア:

[(1, 18728830), (2, 9364415), (5, 3745766), (10, 1872883), (61, 307030), (122, 153515), (305, 61406), (610, 30703)]