19356018

素因数分解:

$2^1\times 3^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{41}}^1\times {\mathrm{311}}^1$

素因数の和:391

約数の個数: 64

約数和(自身を含む): 45287424

約数和(自身を除く): 25931406

約数列:

[1, 2, 3, 6, 11, 22, 23, 33, 41, 46, 66, 69, 82, 123, 138, 246, 253, 311, 451, 506, 622, 759, 902, 933, 943, 1353, 1518, 1866, 1886, 2706, 2829, 3421, 5658, 6842, 7153, 10263, 10373, 12751, 14306, 20526, 20746, 21459, 25502, 31119, 38253, 42918, 62238, 76506, 78683, 140261, 157366, 236049, 280522, 293273, 420783, 472098, 586546, 841566, 879819, 1759638, 3226003, 6452006, 9678009, 19356018]

約数ペア:

[(1, 19356018), (2, 9678009), (3, 6452006), (6, 3226003), (11, 1759638), (22, 879819), (23, 841566), (33, 586546), (41, 472098), (46, 420783), (66, 293273), (69, 280522), (82, 236049), (123, 157366), (138, 140261), (246, 78683), (253, 76506), (311, 62238), (451, 42918), (506, 38253), (622, 31119), (759, 25502), (902, 21459), (933, 20746), (943, 20526), (1353, 14306), (1518, 12751), (1866, 10373), (1886, 10263), (2706, 7153), (2829, 6842), (3421, 5658)]