19863584

素因数分解:

$2^5\times {\mathrm{13}}^2\times {\mathrm{3673}}^1$

素因数の和:3709

約数の個数: 36

約数和(自身を含む): 42357546

約数和(自身を除く): 22493962

約数列:

[1, 2, 4, 8, 13, 16, 26, 32, 52, 104, 169, 208, 338, 416, 676, 1352, 2704, 3673, 5408, 7346, 14692, 29384, 47749, 58768, 95498, 117536, 190996, 381992, 620737, 763984, 1241474, 1527968, 2482948, 4965896, 9931792, 19863584]

約数ペア:

[(1, 19863584), (2, 9931792), (4, 4965896), (8, 2482948), (13, 1527968), (16, 1241474), (26, 763984), (32, 620737), (52, 381992), (104, 190996), (169, 117536), (208, 95498), (338, 58768), (416, 47749), (676, 29384), (1352, 14692), (2704, 7346), (3673, 5408)]