19523420

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{37}}^1\times {\mathrm{3769}}^1$

素因数の和:3822

約数の個数: 48

約数和(自身を含む): 48135360

約数和(自身を除く): 28611940

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 37, 70, 74, 140, 148, 185, 259, 370, 518, 740, 1036, 1295, 2590, 3769, 5180, 7538, 15076, 18845, 26383, 37690, 52766, 75380, 105532, 131915, 139453, 263830, 278906, 527660, 557812, 697265, 976171, 1394530, 1952342, 2789060, 3904684, 4880855, 9761710, 19523420]

約数ペア:

[(1, 19523420), (2, 9761710), (4, 4880855), (5, 3904684), (7, 2789060), (10, 1952342), (14, 1394530), (20, 976171), (28, 697265), (35, 557812), (37, 527660), (70, 278906), (74, 263830), (140, 139453), (148, 131915), (185, 105532), (259, 75380), (370, 52766), (518, 37690), (740, 26383), (1036, 18845), (1295, 15076), (2590, 7538), (3769, 5180)]