17821986

素因数分解:

$2^1\times 3^1\times 7^2\times {\mathrm{13}}^1\times {\mathrm{4663}}^1$

素因数の和:4695

約数の個数: 48

約数和(自身を含む): 44662464

約数和(自身を除く): 26840478

約数列:

[1, 2, 3, 6, 7, 13, 14, 21, 26, 39, 42, 49, 78, 91, 98, 147, 182, 273, 294, 546, 637, 1274, 1911, 3822, 4663, 9326, 13989, 27978, 32641, 60619, 65282, 97923, 121238, 181857, 195846, 228487, 363714, 424333, 456974, 685461, 848666, 1272999, 1370922, 2545998, 2970331, 5940662, 8910993, 17821986]

約数ペア:

[(1, 17821986), (2, 8910993), (3, 5940662), (6, 2970331), (7, 2545998), (13, 1370922), (14, 1272999), (21, 848666), (26, 685461), (39, 456974), (42, 424333), (49, 363714), (78, 228487), (91, 195846), (98, 181857), (147, 121238), (182, 97923), (273, 65282), (294, 60619), (546, 32641), (637, 27978), (1274, 13989), (1911, 9326), (3822, 4663)]