17941820

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{151}}^1\times {\mathrm{457}}^1$

素因数の和:630

約数の個数: 48

約数和(自身を含む): 40934208

約数和(自身を除く): 22992388

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 151, 260, 302, 457, 604, 755, 914, 1510, 1828, 1963, 2285, 3020, 3926, 4570, 5941, 7852, 9140, 9815, 11882, 19630, 23764, 29705, 39260, 59410, 69007, 118820, 138014, 276028, 345035, 690070, 897091, 1380140, 1794182, 3588364, 4485455, 8970910, 17941820]

約数ペア:

[(1, 17941820), (2, 8970910), (4, 4485455), (5, 3588364), (10, 1794182), (13, 1380140), (20, 897091), (26, 690070), (52, 345035), (65, 276028), (130, 138014), (151, 118820), (260, 69007), (302, 59410), (457, 39260), (604, 29705), (755, 23764), (914, 19630), (1510, 11882), (1828, 9815), (1963, 9140), (2285, 7852), (3020, 5941), (3926, 4570)]