19394416

素因数分解:

$2^4\times {\mathrm{17}}^1\times {\mathrm{113}}^1\times {\mathrm{631}}^1$

素因数の和:769

約数の個数: 40

約数和(自身を含む): 40202784

約数和(自身を除く): 20808368

約数列:

[1, 2, 4, 8, 16, 17, 34, 68, 113, 136, 226, 272, 452, 631, 904, 1262, 1808, 1921, 2524, 3842, 5048, 7684, 10096, 10727, 15368, 21454, 30736, 42908, 71303, 85816, 142606, 171632, 285212, 570424, 1140848, 1212151, 2424302, 4848604, 9697208, 19394416]

約数ペア:

[(1, 19394416), (2, 9697208), (4, 4848604), (8, 2424302), (16, 1212151), (17, 1140848), (34, 570424), (68, 285212), (113, 171632), (136, 142606), (226, 85816), (272, 71303), (452, 42908), (631, 30736), (904, 21454), (1262, 15368), (1808, 10727), (1921, 10096), (2524, 7684), (3842, 5048)]