18097456

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{167}}^1\times {\mathrm{521}}^1$

素因数の和:709

約数の個数: 40

約数和(自身を含む): 38060064

約数和(自身を除く): 19962608

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 104, 167, 208, 334, 521, 668, 1042, 1336, 2084, 2171, 2672, 4168, 4342, 6773, 8336, 8684, 13546, 17368, 27092, 34736, 54184, 87007, 108368, 174014, 348028, 696056, 1131091, 1392112, 2262182, 4524364, 9048728, 18097456]

約数ペア:

[(1, 18097456), (2, 9048728), (4, 4524364), (8, 2262182), (13, 1392112), (16, 1131091), (26, 696056), (52, 348028), (104, 174014), (167, 108368), (208, 87007), (334, 54184), (521, 34736), (668, 27092), (1042, 17368), (1336, 13546), (2084, 8684), (2171, 8336), (2672, 6773), (4168, 4342)]