18944086

素因数分解:

$2^1\times 7^2\times {\mathrm{17}}^1\times {\mathrm{83}}^1\times {\mathrm{137}}^1$

素因数の和:253

約数の個数: 48

約数和(自身を含む): 35680176

約数和(自身を除く): 16736090

約数列:

[1, 2, 7, 14, 17, 34, 49, 83, 98, 119, 137, 166, 238, 274, 581, 833, 959, 1162, 1411, 1666, 1918, 2329, 2822, 4067, 4658, 6713, 8134, 9877, 11371, 13426, 16303, 19754, 22742, 32606, 69139, 79597, 114121, 138278, 159194, 193307, 228242, 386614, 557179, 1114358, 1353149, 2706298, 9472043, 18944086]

約数ペア:

[(1, 18944086), (2, 9472043), (7, 2706298), (14, 1353149), (17, 1114358), (34, 557179), (49, 386614), (83, 228242), (98, 193307), (119, 159194), (137, 138278), (166, 114121), (238, 79597), (274, 69139), (581, 32606), (833, 22742), (959, 19754), (1162, 16303), (1411, 13426), (1666, 11371), (1918, 9877), (2329, 8134), (2822, 6713), (4067, 4658)]