1917191772

素因数分解:

$2^2\times 3^2\times {\mathrm{23}}^1\times {\mathrm{557}}^1\times {\mathrm{4157}}^1$

素因数の和:4747

約数の個数: 72

約数和(自身を含む): 5067238176

約数和(自身を除く): 3150046404

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 23, 36, 46, 69, 92, 138, 207, 276, 414, 557, 828, 1114, 1671, 2228, 3342, 4157, 5013, 6684, 8314, 10026, 12471, 12811, 16628, 20052, 24942, 25622, 37413, 38433, 49884, 51244, 74826, 76866, 95611, 115299, 149652, 153732, 191222, 230598, 286833, 382444, 461196, 573666, 860499, 1147332, 1720998, 2315449, 3441996, 4630898, 6946347, 9261796, 13892694, 20839041, 27785388, 41678082, 53255327, 83356164, 106510654, 159765981, 213021308, 319531962, 479297943, 639063924, 958595886, 1917191772]

約数ペア:

[(1, 1917191772), (2, 958595886), (3, 639063924), (4, 479297943), (6, 319531962), (9, 213021308), (12, 159765981), (18, 106510654), (23, 83356164), (36, 53255327), (46, 41678082), (69, 27785388), (92, 20839041), (138, 13892694), (207, 9261796), (276, 6946347), (414, 4630898), (557, 3441996), (828, 2315449), (1114, 1720998), (1671, 1147332), (2228, 860499), (3342, 573666), (4157, 461196), (5013, 382444), (6684, 286833), (8314, 230598), (10026, 191222), (12471, 153732), (12811, 149652), (16628, 115299), (20052, 95611), (24942, 76866), (25622, 74826), (37413, 51244), (38433, 49884)]