19799344

素因数分解:

$2^4\times {\mathrm{29}}^1\times {\mathrm{71}}^1\times {\mathrm{601}}^1$

素因数の和:709

約数の個数: 40

約数和(自身を含む): 40309920

約数和(自身を除く): 20510576

約数列:

[1, 2, 4, 8, 16, 29, 58, 71, 116, 142, 232, 284, 464, 568, 601, 1136, 1202, 2059, 2404, 4118, 4808, 8236, 9616, 16472, 17429, 32944, 34858, 42671, 69716, 85342, 139432, 170684, 278864, 341368, 682736, 1237459, 2474918, 4949836, 9899672, 19799344]

約数ペア:

[(1, 19799344), (2, 9899672), (4, 4949836), (8, 2474918), (16, 1237459), (29, 682736), (58, 341368), (71, 278864), (116, 170684), (142, 139432), (232, 85342), (284, 69716), (464, 42671), (568, 34858), (601, 32944), (1136, 17429), (1202, 16472), (2059, 9616), (2404, 8236), (4118, 4808)]