19358512

素因数分解:

$2^4\times {\mathrm{17}}^1\times {\mathrm{71171}}^1$

素因数の和:71196

約数の個数: 20

約数和(自身を含む): 39713976

約数和(自身を除く): 20355464

約数列:

[1, 2, 4, 8, 16, 17, 34, 68, 136, 272, 71171, 142342, 284684, 569368, 1138736, 1209907, 2419814, 4839628, 9679256, 19358512]

約数ペア:

[(1, 19358512), (2, 9679256), (4, 4839628), (8, 2419814), (16, 1209907), (17, 1138736), (34, 569368), (68, 284684), (136, 142342), (272, 71171)]