19855190

素因数分解:

$2^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{3371}}^1$

素因数の和:3428

約数の個数: 32

約数和(自身を含む): 38845440

約数和(自身を除く): 18990250

約数列:

[1, 2, 5, 10, 19, 31, 38, 62, 95, 155, 190, 310, 589, 1178, 2945, 3371, 5890, 6742, 16855, 33710, 64049, 104501, 128098, 209002, 320245, 522505, 640490, 1045010, 1985519, 3971038, 9927595, 19855190]

約数ペア:

[(1, 19855190), (2, 9927595), (5, 3971038), (10, 1985519), (19, 1045010), (31, 640490), (38, 522505), (62, 320245), (95, 209002), (155, 128098), (190, 104501), (310, 64049), (589, 33710), (1178, 16855), (2945, 6742), (3371, 5890)]