19043220

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{45341}}^1$

素因数の和:45360

約数の個数: 48

約数和(自身を含む): 60939648

約数和(自身を除く): 41896428

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 60, 70, 84, 105, 140, 210, 420, 45341, 90682, 136023, 181364, 226705, 272046, 317387, 453410, 544092, 634774, 680115, 906820, 952161, 1269548, 1360230, 1586935, 1904322, 2720460, 3173870, 3808644, 4760805, 6347740, 9521610, 19043220]

約数ペア:

[(1, 19043220), (2, 9521610), (3, 6347740), (4, 4760805), (5, 3808644), (6, 3173870), (7, 2720460), (10, 1904322), (12, 1586935), (14, 1360230), (15, 1269548), (20, 952161), (21, 906820), (28, 680115), (30, 634774), (35, 544092), (42, 453410), (60, 317387), (70, 272046), (84, 226705), (105, 181364), (140, 136023), (210, 90682), (420, 45341)]