19515012

素因数分解:

$2^2\times 3^1\times {\mathrm{11}}^1\times {\mathrm{163}}^1\times {\mathrm{907}}^1$

素因数の和:1088

約数の個数: 48

約数和(自身を含む): 50034432

約数和(自身を除く): 30519420

約数列:

[1, 2, 3, 4, 6, 11, 12, 22, 33, 44, 66, 132, 163, 326, 489, 652, 907, 978, 1793, 1814, 1956, 2721, 3586, 3628, 5379, 5442, 7172, 9977, 10758, 10884, 19954, 21516, 29931, 39908, 59862, 119724, 147841, 295682, 443523, 591364, 887046, 1626251, 1774092, 3252502, 4878753, 6505004, 9757506, 19515012]

約数ペア:

[(1, 19515012), (2, 9757506), (3, 6505004), (4, 4878753), (6, 3252502), (11, 1774092), (12, 1626251), (22, 887046), (33, 591364), (44, 443523), (66, 295682), (132, 147841), (163, 119724), (326, 59862), (489, 39908), (652, 29931), (907, 21516), (978, 19954), (1793, 10884), (1814, 10758), (1956, 9977), (2721, 7172), (3586, 5442), (3628, 5379)]