18655490

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{8597}}^1$

素因数の和:8642

約数の個数: 32

約数和(自身を含む): 39619584

約数和(自身を除く): 20964094

約数列:

[1, 2, 5, 7, 10, 14, 31, 35, 62, 70, 155, 217, 310, 434, 1085, 2170, 8597, 17194, 42985, 60179, 85970, 120358, 266507, 300895, 533014, 601790, 1332535, 1865549, 2665070, 3731098, 9327745, 18655490]

約数ペア:

[(1, 18655490), (2, 9327745), (5, 3731098), (7, 2665070), (10, 1865549), (14, 1332535), (31, 601790), (35, 533014), (62, 300895), (70, 266507), (155, 120358), (217, 85970), (310, 60179), (434, 42985), (1085, 17194), (2170, 8597)]