18430540

素因数分解:

$2^2\times 5^1\times {\mathrm{61}}^1\times {\mathrm{15107}}^1$

素因数の和:15177

約数の個数: 24

約数和(自身を含む): 39341232

約数和(自身を除く): 20910692

約数列:

[1, 2, 4, 5, 10, 20, 61, 122, 244, 305, 610, 1220, 15107, 30214, 60428, 75535, 151070, 302140, 921527, 1843054, 3686108, 4607635, 9215270, 18430540]

約数ペア:

[(1, 18430540), (2, 9215270), (4, 4607635), (5, 3686108), (10, 1843054), (20, 921527), (61, 302140), (122, 151070), (244, 75535), (305, 60428), (610, 30214), (1220, 15107)]