18373060220

素因数分解:

$2^2\times 5^1\times {\mathrm{41}}^1\times {\mathrm{181}}^1\times {\mathrm{123791}}^1$

素因数の和:124022

約数の個数: 48

約数和(自身を含む): 39743174016

約数和(自身を除く): 21370113796

約数列:

[1, 2, 4, 5, 10, 20, 41, 82, 164, 181, 205, 362, 410, 724, 820, 905, 1810, 3620, 7421, 14842, 29684, 37105, 74210, 123791, 148420, 247582, 495164, 618955, 1237910, 2475820, 5075431, 10150862, 20301724, 22406171, 25377155, 44812342, 50754310, 89624684, 101508620, 112030855, 224061710, 448123420, 918653011, 1837306022, 3674612044, 4593265055, 9186530110, 18373060220]

約数ペア:

[(1, 18373060220), (2, 9186530110), (4, 4593265055), (5, 3674612044), (10, 1837306022), (20, 918653011), (41, 448123420), (82, 224061710), (164, 112030855), (181, 101508620), (205, 89624684), (362, 50754310), (410, 44812342), (724, 25377155), (820, 22406171), (905, 20301724), (1810, 10150862), (3620, 5075431), (7421, 2475820), (14842, 1237910), (29684, 618955), (37105, 495164), (74210, 247582), (123791, 148420)]