19973616

素因数分解:

$2^4\times 3^1\times {\mathrm{13}}^1\times {\mathrm{32009}}^1$

素因数の和:32033

約数の個数: 40

約数和(自身を含む): 55569360

約数和(自身を除く): 35595744

約数列:

[1, 2, 3, 4, 6, 8, 12, 13, 16, 24, 26, 39, 48, 52, 78, 104, 156, 208, 312, 624, 32009, 64018, 96027, 128036, 192054, 256072, 384108, 416117, 512144, 768216, 832234, 1248351, 1536432, 1664468, 2496702, 3328936, 4993404, 6657872, 9986808, 19973616]

約数ペア:

[(1, 19973616), (2, 9986808), (3, 6657872), (4, 4993404), (6, 3328936), (8, 2496702), (12, 1664468), (13, 1536432), (16, 1248351), (24, 832234), (26, 768216), (39, 512144), (48, 416117), (52, 384108), (78, 256072), (104, 192054), (156, 128036), (208, 96027), (312, 64018), (624, 32009)]