18147400

素因数分解:

$2^3\times 5^2\times {\mathrm{31}}^1\times {\mathrm{2927}}^1$

素因数の和:2974

約数の個数: 48

約数和(自身を含む): 43568640

約数和(自身を除く): 25421240

約数列:

[1, 2, 4, 5, 8, 10, 20, 25, 31, 40, 50, 62, 100, 124, 155, 200, 248, 310, 620, 775, 1240, 1550, 2927, 3100, 5854, 6200, 11708, 14635, 23416, 29270, 58540, 73175, 90737, 117080, 146350, 181474, 292700, 362948, 453685, 585400, 725896, 907370, 1814740, 2268425, 3629480, 4536850, 9073700, 18147400]

約数ペア:

[(1, 18147400), (2, 9073700), (4, 4536850), (5, 3629480), (8, 2268425), (10, 1814740), (20, 907370), (25, 725896), (31, 585400), (40, 453685), (50, 362948), (62, 292700), (100, 181474), (124, 146350), (155, 117080), (200, 90737), (248, 73175), (310, 58540), (620, 29270), (775, 23416), (1240, 14635), (1550, 11708), (2927, 6200), (3100, 5854)]