17939454

素因数分解:

$2^1\times 3^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{83}}^1\times {\mathrm{163}}^1$

素因数の和:281

約数の個数: 64

約数和(自身を含む): 41658624

約数和(自身を除く): 23719170

約数列:

[1, 2, 3, 6, 13, 17, 26, 34, 39, 51, 78, 83, 102, 163, 166, 221, 249, 326, 442, 489, 498, 663, 978, 1079, 1326, 1411, 2119, 2158, 2771, 2822, 3237, 4233, 4238, 5542, 6357, 6474, 8313, 8466, 12714, 13529, 16626, 18343, 27058, 36023, 36686, 40587, 55029, 72046, 81174, 108069, 110058, 175877, 216138, 229993, 351754, 459986, 527631, 689979, 1055262, 1379958, 2989909, 5979818, 8969727, 17939454]

約数ペア:

[(1, 17939454), (2, 8969727), (3, 5979818), (6, 2989909), (13, 1379958), (17, 1055262), (26, 689979), (34, 527631), (39, 459986), (51, 351754), (78, 229993), (83, 216138), (102, 175877), (163, 110058), (166, 108069), (221, 81174), (249, 72046), (326, 55029), (442, 40587), (489, 36686), (498, 36023), (663, 27058), (978, 18343), (1079, 16626), (1326, 13529), (1411, 12714), (2119, 8466), (2158, 8313), (2771, 6474), (2822, 6357), (3237, 5542), (4233, 4238)]