18448456

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{179}}^1\times {\mathrm{991}}^1$

素因数の和:1189

約数の個数: 32

約数和(自身を含む): 37497600

約数和(自身を除く): 19049144

約数列:

[1, 2, 4, 8, 13, 26, 52, 104, 179, 358, 716, 991, 1432, 1982, 2327, 3964, 4654, 7928, 9308, 12883, 18616, 25766, 51532, 103064, 177389, 354778, 709556, 1419112, 2306057, 4612114, 9224228, 18448456]

約数ペア:

[(1, 18448456), (2, 9224228), (4, 4612114), (8, 2306057), (13, 1419112), (26, 709556), (52, 354778), (104, 177389), (179, 103064), (358, 51532), (716, 25766), (991, 18616), (1432, 12883), (1982, 9308), (2327, 7928), (3964, 4654)]