19008748

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{41}}^2\times {\mathrm{257}}^1$

素因数の和:354

約数の個数: 36

約数和(自身を含む): 37340856

約数和(自身を除く): 18332108

約数列:

[1, 2, 4, 11, 22, 41, 44, 82, 164, 257, 451, 514, 902, 1028, 1681, 1804, 2827, 3362, 5654, 6724, 10537, 11308, 18491, 21074, 36982, 42148, 73964, 115907, 231814, 432017, 463628, 864034, 1728068, 4752187, 9504374, 19008748]

約数ペア:

[(1, 19008748), (2, 9504374), (4, 4752187), (11, 1728068), (22, 864034), (41, 463628), (44, 432017), (82, 231814), (164, 115907), (257, 73964), (451, 42148), (514, 36982), (902, 21074), (1028, 18491), (1681, 11308), (1804, 10537), (2827, 6724), (3362, 5654)]