19233968

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{89}}^1\times {\mathrm{1039}}^1$

素因数の和:1149

約数の個数: 40

約数和(自身を含む): 40622400

約数和(自身を除く): 21388432

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 89, 104, 178, 208, 356, 712, 1039, 1157, 1424, 2078, 2314, 4156, 4628, 8312, 9256, 13507, 16624, 18512, 27014, 54028, 92471, 108056, 184942, 216112, 369884, 739768, 1202123, 1479536, 2404246, 4808492, 9616984, 19233968]

約数ペア:

[(1, 19233968), (2, 9616984), (4, 4808492), (8, 2404246), (13, 1479536), (16, 1202123), (26, 739768), (52, 369884), (89, 216112), (104, 184942), (178, 108056), (208, 92471), (356, 54028), (712, 27014), (1039, 18512), (1157, 16624), (1424, 13507), (2078, 9256), (2314, 8312), (4156, 4628)]