18920196

素因数分解:

$2^2\times 3^3\times {\mathrm{239}}^1\times {\mathrm{733}}^1$

素因数の和:985

約数の個数: 48

約数和(自身を含む): 49324800

約数和(自身を除く): 30404604

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 27, 36, 54, 108, 239, 478, 717, 733, 956, 1434, 1466, 2151, 2199, 2868, 2932, 4302, 4398, 6453, 6597, 8604, 8796, 12906, 13194, 19791, 25812, 26388, 39582, 79164, 175187, 350374, 525561, 700748, 1051122, 1576683, 2102244, 3153366, 4730049, 6306732, 9460098, 18920196]

約数ペア:

[(1, 18920196), (2, 9460098), (3, 6306732), (4, 4730049), (6, 3153366), (9, 2102244), (12, 1576683), (18, 1051122), (27, 700748), (36, 525561), (54, 350374), (108, 175187), (239, 79164), (478, 39582), (717, 26388), (733, 25812), (956, 19791), (1434, 13194), (1466, 12906), (2151, 8796), (2199, 8604), (2868, 6597), (2932, 6453), (4302, 4398)]