19555952

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{149}}^1\times {\mathrm{631}}^1$

素因数の和:801

約数の個数: 40

約数和(自身を含む): 41143200

約数和(自身を除く): 21587248

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 104, 149, 208, 298, 596, 631, 1192, 1262, 1937, 2384, 2524, 3874, 5048, 7748, 8203, 10096, 15496, 16406, 30992, 32812, 65624, 94019, 131248, 188038, 376076, 752152, 1222247, 1504304, 2444494, 4888988, 9777976, 19555952]

約数ペア:

[(1, 19555952), (2, 9777976), (4, 4888988), (8, 2444494), (13, 1504304), (16, 1222247), (26, 752152), (52, 376076), (104, 188038), (149, 131248), (208, 94019), (298, 65624), (596, 32812), (631, 30992), (1192, 16406), (1262, 15496), (1937, 10096), (2384, 8203), (2524, 7748), (3874, 5048)]