19401210

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{73}}^1\times {\mathrm{2953}}^1$

素因数の和:3039

約数の個数: 48

約数和(自身を含む): 51151464

約数和(自身を除く): 31750254

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 30, 45, 73, 90, 146, 219, 365, 438, 657, 730, 1095, 1314, 2190, 2953, 3285, 5906, 6570, 8859, 14765, 17718, 26577, 29530, 44295, 53154, 88590, 132885, 215569, 265770, 431138, 646707, 1077845, 1293414, 1940121, 2155690, 3233535, 3880242, 6467070, 9700605, 19401210]

約数ペア:

[(1, 19401210), (2, 9700605), (3, 6467070), (5, 3880242), (6, 3233535), (9, 2155690), (10, 1940121), (15, 1293414), (18, 1077845), (30, 646707), (45, 431138), (73, 265770), (90, 215569), (146, 132885), (219, 88590), (365, 53154), (438, 44295), (657, 29530), (730, 26577), (1095, 17718), (1314, 14765), (2190, 8859), (2953, 6570), (3285, 5906)]