19134940

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^2\times {\mathrm{7907}}^1$

素因数の和:7938

約数の個数: 36

約数和(自身を含む): 44174088

約数和(自身を除く): 25039148

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 121, 220, 242, 484, 605, 1210, 2420, 7907, 15814, 31628, 39535, 79070, 86977, 158140, 173954, 347908, 434885, 869770, 956747, 1739540, 1913494, 3826988, 4783735, 9567470, 19134940]

約数ペア:

[(1, 19134940), (2, 9567470), (4, 4783735), (5, 3826988), (10, 1913494), (11, 1739540), (20, 956747), (22, 869770), (44, 434885), (55, 347908), (110, 173954), (121, 158140), (220, 86977), (242, 79070), (484, 39535), (605, 31628), (1210, 15814), (2420, 7907)]