19691388

素因数分解:

$2^2\times 3^2\times {\mathrm{97}}^1\times {\mathrm{5639}}^1$

素因数の和:5746

約数の個数: 36

約数和(自身を含む): 50297520

約数和(自身を除く): 30606132

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 97, 194, 291, 388, 582, 873, 1164, 1746, 3492, 5639, 11278, 16917, 22556, 33834, 50751, 67668, 101502, 203004, 546983, 1093966, 1640949, 2187932, 3281898, 4922847, 6563796, 9845694, 19691388]

約数ペア:

[(1, 19691388), (2, 9845694), (3, 6563796), (4, 4922847), (6, 3281898), (9, 2187932), (12, 1640949), (18, 1093966), (36, 546983), (97, 203004), (194, 101502), (291, 67668), (388, 50751), (582, 33834), (873, 22556), (1164, 16917), (1746, 11278), (3492, 5639)]