19812818100

素因数分解:

$2^2\times 3^1\times 5^2\times {\mathrm{19}}^1\times {\mathrm{199}}^1\times {\mathrm{17467}}^1$

素因数の和:17702

約数の個数: 144

約数和(自身を含む): 60648896000

約数和(自身を除く): 40836077900

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 19, 20, 25, 30, 38, 50, 57, 60, 75, 76, 95, 100, 114, 150, 190, 199, 228, 285, 300, 380, 398, 475, 570, 597, 796, 950, 995, 1140, 1194, 1425, 1900, 1990, 2388, 2850, 2985, 3781, 3980, 4975, 5700, 5970, 7562, 9950, 11343, 11940, 14925, 15124, 17467, 18905, 19900, 22686, 29850, 34934, 37810, 45372, 52401, 56715, 59700, 69868, 75620, 87335, 94525, 104802, 113430, 174670, 189050, 209604, 226860, 262005, 283575, 331873, 349340, 378100, 436675, 524010, 567150, 663746, 873350, 995619, 1048020, 1134300, 1310025, 1327492, 1659365, 1746700, 1991238, 2620050, 3318730, 3475933, 3982476, 4978095, 5240100, 6637460, 6951866, 8296825, 9956190, 10427799, 13903732, 16593650, 17379665, 19912380, 20855598, 24890475, 33187300, 34759330, 41711196, 49780950, 52138995, 66042727, 69518660, 86898325, 99561900, 104277990, 132085454, 173796650, 198128181, 208555980, 260694975, 264170908, 330213635, 347593300, 396256362, 521389950, 660427270, 792512724, 990640905, 1042779900, 1320854540, 1651068175, 1981281810, 3302136350, 3962563620, 4953204525, 6604272700, 9906409050, 19812818100]

約数ペア:

[(1, 19812818100), (2, 9906409050), (3, 6604272700), (4, 4953204525), (5, 3962563620), (6, 3302136350), (10, 1981281810), (12, 1651068175), (15, 1320854540), (19, 1042779900), (20, 990640905), (25, 792512724), (30, 660427270), (38, 521389950), (50, 396256362), (57, 347593300), (60, 330213635), (75, 264170908), (76, 260694975), (95, 208555980), (100, 198128181), (114, 173796650), (150, 132085454), (190, 104277990), (199, 99561900), (228, 86898325), (285, 69518660), (300, 66042727), (380, 52138995), (398, 49780950), (475, 41711196), (570, 34759330), (597, 33187300), (796, 24890475), (950, 20855598), (995, 19912380), (1140, 17379665), (1194, 16593650), (1425, 13903732), (1900, 10427799), (1990, 9956190), (2388, 8296825), (2850, 6951866), (2985, 6637460), (3781, 5240100), (3980, 4978095), (4975, 3982476), (5700, 3475933), (5970, 3318730), (7562, 2620050), (9950, 1991238), (11343, 1746700), (11940, 1659365), (14925, 1327492), (15124, 1310025), (17467, 1134300), (18905, 1048020), (19900, 995619), (22686, 873350), (29850, 663746), (34934, 567150), (37810, 524010), (45372, 436675), (52401, 378100), (56715, 349340), (59700, 331873), (69868, 283575), (75620, 262005), (87335, 226860), (94525, 209604), (104802, 189050), (113430, 174670)]