18793047

素因数分解:

$3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{41}}^1\times {\mathrm{73}}^1$

素因数の和:160

約数の個数: 64

約数和(自身を含む): 33417216

約数和(自身を除く): 14624169

約数列:

[1, 3, 7, 13, 21, 23, 39, 41, 69, 73, 91, 123, 161, 219, 273, 287, 299, 483, 511, 533, 861, 897, 943, 949, 1533, 1599, 1679, 2093, 2829, 2847, 2993, 3731, 5037, 6279, 6601, 6643, 8979, 11193, 11753, 12259, 19803, 19929, 20951, 21827, 35259, 36777, 38909, 62853, 65481, 68839, 85813, 116727, 152789, 206517, 257439, 272363, 458367, 481873, 817089, 894907, 1445619, 2684721, 6264349, 18793047]

約数ペア:

[(1, 18793047), (3, 6264349), (7, 2684721), (13, 1445619), (21, 894907), (23, 817089), (39, 481873), (41, 458367), (69, 272363), (73, 257439), (91, 206517), (123, 152789), (161, 116727), (219, 85813), (273, 68839), (287, 65481), (299, 62853), (483, 38909), (511, 36777), (533, 35259), (861, 21827), (897, 20951), (943, 19929), (949, 19803), (1533, 12259), (1599, 11753), (1679, 11193), (2093, 8979), (2829, 6643), (2847, 6601), (2993, 6279), (3731, 5037)]