19005194908

素因数分解:

$2^2\times 7^1\times {\mathrm{107}}^1\times {\mathrm{127}}^1\times {\mathrm{199}}^1\times {\mathrm{251}}^1$

素因数の和:695

約数の個数: 96

約数和(自身を含む): 39016857600

約数和(自身を除く): 20011662692

約数列:

[1, 2, 4, 7, 14, 28, 107, 127, 199, 214, 251, 254, 398, 428, 502, 508, 749, 796, 889, 1004, 1393, 1498, 1757, 1778, 2786, 2996, 3514, 3556, 5572, 7028, 13589, 21293, 25273, 26857, 27178, 31877, 42586, 49949, 50546, 53714, 54356, 63754, 85172, 95123, 99898, 101092, 107428, 127508, 149051, 176911, 187999, 190246, 199796, 223139, 298102, 349643, 353822, 375998, 380492, 446278, 596204, 699286, 707644, 751996, 892556, 1398572, 2704211, 3410839, 5344543, 5408422, 6343523, 6821678, 10689086, 10816844, 12687046, 13643356, 18929477, 21378172, 23875873, 25374092, 37411801, 37858954, 44404661, 47751746, 74823602, 75717908, 88809322, 95503492, 149647204, 177618644, 678756961, 1357513922, 2715027844, 4751298727, 9502597454, 19005194908]

約数ペア:

[(1, 19005194908), (2, 9502597454), (4, 4751298727), (7, 2715027844), (14, 1357513922), (28, 678756961), (107, 177618644), (127, 149647204), (199, 95503492), (214, 88809322), (251, 75717908), (254, 74823602), (398, 47751746), (428, 44404661), (502, 37858954), (508, 37411801), (749, 25374092), (796, 23875873), (889, 21378172), (1004, 18929477), (1393, 13643356), (1498, 12687046), (1757, 10816844), (1778, 10689086), (2786, 6821678), (2996, 6343523), (3514, 5408422), (3556, 5344543), (5572, 3410839), (7028, 2704211), (13589, 1398572), (21293, 892556), (25273, 751996), (26857, 707644), (27178, 699286), (31877, 596204), (42586, 446278), (49949, 380492), (50546, 375998), (53714, 353822), (54356, 349643), (63754, 298102), (85172, 223139), (95123, 199796), (99898, 190246), (101092, 187999), (107428, 176911), (127508, 149051)]