19981980948

素因数分解:

$2^2\times 3^1\times {\mathrm{17}}^1\times {\mathrm{157}}^1\times {\mathrm{419}}^1\times {\mathrm{1489}}^1$

素因数の和:2089

約数の個数: 96

約数和(自身を含む): 49833705600

約数和(自身を除く): 29851724652

約数列:

[1, 2, 3, 4, 6, 12, 17, 34, 51, 68, 102, 157, 204, 314, 419, 471, 628, 838, 942, 1257, 1489, 1676, 1884, 2514, 2669, 2978, 4467, 5028, 5338, 5956, 7123, 8007, 8934, 10676, 14246, 16014, 17868, 21369, 25313, 28492, 32028, 42738, 50626, 65783, 75939, 85476, 101252, 131566, 151878, 197349, 233773, 263132, 303756, 394698, 467546, 623891, 701319, 789396, 935092, 1118311, 1247782, 1402638, 1871673, 2236622, 2495564, 2805276, 3354933, 3743346, 3974141, 4473244, 6709866, 7486692, 7948282, 10606147, 11922423, 13419732, 15896564, 21212294, 23844846, 31818441, 42424588, 47689692, 63636882, 97950887, 127273764, 195901774, 293852661, 391803548, 587705322, 1175410644, 1665165079, 3330330158, 4995495237, 6660660316, 9990990474, 19981980948]

約数ペア:

[(1, 19981980948), (2, 9990990474), (3, 6660660316), (4, 4995495237), (6, 3330330158), (12, 1665165079), (17, 1175410644), (34, 587705322), (51, 391803548), (68, 293852661), (102, 195901774), (157, 127273764), (204, 97950887), (314, 63636882), (419, 47689692), (471, 42424588), (628, 31818441), (838, 23844846), (942, 21212294), (1257, 15896564), (1489, 13419732), (1676, 11922423), (1884, 10606147), (2514, 7948282), (2669, 7486692), (2978, 6709866), (4467, 4473244), (5028, 3974141), (5338, 3743346), (5956, 3354933), (7123, 2805276), (8007, 2495564), (8934, 2236622), (10676, 1871673), (14246, 1402638), (16014, 1247782), (17868, 1118311), (21369, 935092), (25313, 789396), (28492, 701319), (32028, 623891), (42738, 467546), (50626, 394698), (65783, 303756), (75939, 263132), (85476, 233773), (101252, 197349), (131566, 151878)]