19325104

素因数分解:

$2^4\times {\mathrm{41}}^1\times {\mathrm{89}}^1\times {\mathrm{331}}^1$

素因数の和:469

約数の個数: 40

約数和(自身を含む): 38903760

約数和(自身を除く): 19578656

約数列:

[1, 2, 4, 8, 16, 41, 82, 89, 164, 178, 328, 331, 356, 656, 662, 712, 1324, 1424, 2648, 3649, 5296, 7298, 13571, 14596, 27142, 29192, 29459, 54284, 58384, 58918, 108568, 117836, 217136, 235672, 471344, 1207819, 2415638, 4831276, 9662552, 19325104]

約数ペア:

[(1, 19325104), (2, 9662552), (4, 4831276), (8, 2415638), (16, 1207819), (41, 471344), (82, 235672), (89, 217136), (164, 117836), (178, 108568), (328, 58918), (331, 58384), (356, 54284), (656, 29459), (662, 29192), (712, 27142), (1324, 14596), (1424, 13571), (2648, 7298), (3649, 5296)]