19128112

素因数分解:

$2^4\times {\mathrm{37}}^1\times {\mathrm{79}}^1\times {\mathrm{409}}^1$

素因数の和:533

約数の個数: 40

約数和(自身を含む): 38638400

約数和(自身を除く): 19510288

約数列:

[1, 2, 4, 8, 16, 37, 74, 79, 148, 158, 296, 316, 409, 592, 632, 818, 1264, 1636, 2923, 3272, 5846, 6544, 11692, 15133, 23384, 30266, 32311, 46768, 60532, 64622, 121064, 129244, 242128, 258488, 516976, 1195507, 2391014, 4782028, 9564056, 19128112]

約数ペア:

[(1, 19128112), (2, 9564056), (4, 4782028), (8, 2391014), (16, 1195507), (37, 516976), (74, 258488), (79, 242128), (148, 129244), (158, 121064), (296, 64622), (316, 60532), (409, 46768), (592, 32311), (632, 30266), (818, 23384), (1264, 15133), (1636, 11692), (2923, 6544), (3272, 5846)]