19791018

素因数分解:

$2^1\times 3^2\times {\mathrm{13}}^1\times {\mathrm{83}}^1\times {\mathrm{1019}}^1$

素因数の和:1123

約数の個数: 48

約数和(自身を含む): 46781280

約数和(自身を除く): 26990262

約数列:

[1, 2, 3, 6, 9, 13, 18, 26, 39, 78, 83, 117, 166, 234, 249, 498, 747, 1019, 1079, 1494, 2038, 2158, 3057, 3237, 6114, 6474, 9171, 9711, 13247, 18342, 19422, 26494, 39741, 79482, 84577, 119223, 169154, 238446, 253731, 507462, 761193, 1099501, 1522386, 2199002, 3298503, 6597006, 9895509, 19791018]

約数ペア:

[(1, 19791018), (2, 9895509), (3, 6597006), (6, 3298503), (9, 2199002), (13, 1522386), (18, 1099501), (26, 761193), (39, 507462), (78, 253731), (83, 238446), (117, 169154), (166, 119223), (234, 84577), (249, 79482), (498, 39741), (747, 26494), (1019, 19422), (1079, 18342), (1494, 13247), (2038, 9711), (2158, 9171), (3057, 6474), (3237, 6114)]