19865566

素因数分解:

$2^1\times 7^1\times {\mathrm{41}}^1\times {\mathrm{53}}^1\times {\mathrm{653}}^1$

素因数の和:756

約数の個数: 32

約数和(自身を含む): 35598528

約数和(自身を除く): 15732962

約数列:

[1, 2, 7, 14, 41, 53, 82, 106, 287, 371, 574, 653, 742, 1306, 2173, 4346, 4571, 9142, 15211, 26773, 30422, 34609, 53546, 69218, 187411, 242263, 374822, 484526, 1418969, 2837938, 9932783, 19865566]

約数ペア:

[(1, 19865566), (2, 9932783), (7, 2837938), (14, 1418969), (41, 484526), (53, 374822), (82, 242263), (106, 187411), (287, 69218), (371, 53546), (574, 34609), (653, 30422), (742, 26773), (1306, 15211), (2173, 9142), (4346, 4571)]