18121990206

素因数分解:

$2^1\times 3^1\times {\mathrm{29}}^1\times {\mathrm{197}}^1\times {\mathrm{233}}^1\times {\mathrm{2269}}^1$

素因数の和:2733

約数の個数: 64

約数和(自身を含む): 37862510400

約数和(自身を除く): 19740520194

約数列:

[1, 2, 3, 6, 29, 58, 87, 174, 197, 233, 394, 466, 591, 699, 1182, 1398, 2269, 4538, 5713, 6757, 6807, 11426, 13514, 13614, 17139, 20271, 34278, 40542, 45901, 65801, 91802, 131602, 137703, 197403, 275406, 394806, 446993, 528677, 893986, 1057354, 1331129, 1340979, 1586031, 2662258, 2681958, 3172062, 3993387, 7986774, 12962797, 15331633, 25925594, 30663266, 38888391, 45994899, 77776782, 91989798, 104149369, 208298738, 312448107, 624896214, 3020331701, 6040663402, 9060995103, 18121990206]

約数ペア:

[(1, 18121990206), (2, 9060995103), (3, 6040663402), (6, 3020331701), (29, 624896214), (58, 312448107), (87, 208298738), (174, 104149369), (197, 91989798), (233, 77776782), (394, 45994899), (466, 38888391), (591, 30663266), (699, 25925594), (1182, 15331633), (1398, 12962797), (2269, 7986774), (4538, 3993387), (5713, 3172062), (6757, 2681958), (6807, 2662258), (11426, 1586031), (13514, 1340979), (13614, 1331129), (17139, 1057354), (20271, 893986), (34278, 528677), (40542, 446993), (45901, 394806), (65801, 275406), (91802, 197403), (131602, 137703)]