19902672

素因数分解:

$2^4\times 3^5\times {\mathrm{5119}}^1$

素因数の和:5142

約数の個数: 60

約数和(自身を含む): 57774080

約数和(自身を除く): 37871408

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 27, 36, 48, 54, 72, 81, 108, 144, 162, 216, 243, 324, 432, 486, 648, 972, 1296, 1944, 3888, 5119, 10238, 15357, 20476, 30714, 40952, 46071, 61428, 81904, 92142, 122856, 138213, 184284, 245712, 276426, 368568, 414639, 552852, 737136, 829278, 1105704, 1243917, 1658556, 2211408, 2487834, 3317112, 4975668, 6634224, 9951336, 19902672]

約数ペア:

[(1, 19902672), (2, 9951336), (3, 6634224), (4, 4975668), (6, 3317112), (8, 2487834), (9, 2211408), (12, 1658556), (16, 1243917), (18, 1105704), (24, 829278), (27, 737136), (36, 552852), (48, 414639), (54, 368568), (72, 276426), (81, 245712), (108, 184284), (144, 138213), (162, 122856), (216, 92142), (243, 81904), (324, 61428), (432, 46071), (486, 40952), (648, 30714), (972, 20476), (1296, 15357), (1944, 10238), (3888, 5119)]